Game On

Artifact Creature — Construct

Landfall — Whenever a land you control enters, this creature gets +2/+2 until end of turn.

Sorcery — Arcane

Mill a card, then draw cards equal to the milled card's mana value.

Instant

Target creature gets +1/+0 until end of turn. Put a first strike counter on it.

Legendary Creature — Human Samurai

Trample Whenever a Samurai or Warrior you control attacks alone, you may cast target artifact card from your graveyard this turn.

Artifact — Equipment

Equipped creature gets +3/+1. Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order. Equip {1}

Creature — Human Cleric

Whenever you cycle or discard a card, this creature gets +1/+1 until end of turn.

Enchantment Creature — Elk

Bestow {6}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Whenever this creature or enchanted creature attacks, tap target creature an opponent controls. Enchanted creature gets +3/+3.

Creature — Human Cleric

When this creature enters, you may search your library for an Aura card, reveal it, put it into your hand, then shuffle.

Enchantment — Aura

Enchant creature This Aura enters with four task counters on it. Enchanted creature can't attack or block. It loses all abilities and has "{T}: Remove a task counter from Heliod's Punishment. Then if it has no task counters on it, destroy Heliod's Punishment."

Land

{T}: Add {C}. {1}, {T}: You get {E} (an energy counter). {3}, {T}, Pay X {E}, Sacrifice this land: Destroy target nonland permanent with mana value X. Activate only as a sorcery.

Creature — Beast Mutant

Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.) {1}: Target creature with a +1/+1 counter on it gains flying until end of turn.

Creature — Ogre Warrior

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.) {2}{B}{R}, Sacrifice this creature: It deals damage equal to its power to target player or planeswalker.

Creature — Rat

Haste When this creature enters, target player discards a card. This creature deals damage to that player equal to that card's mana value.

Land

{T}: Add {C}. {1}{R}, {T}: Put a pressure counter on this land. {1}{R}, {T}, Remove two pressure counters from this land and sacrifice it: Create a 4/4 red Hellion creature token with haste. (It can attack and {T} as soon as it comes under your control.)

Sorcery

Sacrifice all creatures you control, then create that many 4/4 red Hellion creature tokens.

Creature — Goblin Berserker

Creatures you control have haste and attack each combat if able.

Creature — Elemental

Trample, haste At the beginning of the end step, sacrifice this creature. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Legendary Artifact

{1}, {T}: Exile target creature you control. {7}, {T}: Exile target creature you don't control. When Helvault is put into a graveyard from the battlefield, return all cards exiled with it to the battlefield under their owners' control.

Creature — Ogre

Haste Echo {1}{B} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) {B/R}: This creature gets +1/+0 until end of turn.

Artifact Creature — Golem

Adamant — If at least three mana of the same color was spent to cast this spell, this creature enters with a +1/+1 counter on it.

Creature — Human Warrior

Vigilance Other Warrior creatures you control have vigilance.

Creature — Angel

Flying Whenever this creature attacks, you gain 2 life.

Creature — Human Warlock

Circle of Death — {5}{B}: Roll a d20. 1—9 | Each opponent loses 2 life. 10—19 | Each opponent loses 2 life and you gain 2 life. 20 | Each opponent loses 2 life and you gain 2 life. Create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Creature — Zombie Warrior

When this creature dies, amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Creature — Angel

Flying {3}{W}: Put a +1/+1 counter on another target creature with flying.

Enchantment Creature — Demon

Bestow {3}{B}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Flying At the beginning of your upkeep, you lose 1 life. Enchanted creature gets +3/+3 and has flying.

Creature — Angel

Flying Whenever this creature attacks, put a +1/+1 counter on it. Angel spells and Human spells you cast cost {1} less to cast for each +1/+1 counter on this creature.

Creature — Beast

Whenever one or more +1/+1 counters are put on this creature, you may create a 4/4 green Beast creature token.

Enchantment

{3}{R}: Choose any target, then mill three cards. This enchantment deals damage to that permanent or player equal to the greatest mana value among the milled cards.

Creature — Hydra

This creature enters with four +1/+1 counters on it. {2}{G}{G}: Put X +1/+1 counters on this creature, where X is its power.

Instant

Target player gains 7 life.

Creature — Spirit

Flying {3}{W}, Exile this card from your graveyard: Create two 1/1 white Spirit creature tokens with flying. Activate only if you control an enchantment and only as a sorcery.

Creature — Bird

Flying If you would gain life, you gain that much life plus 1 instead. {1}{W}: This creature gains lifelink until end of turn.

Creature — Human Warrior

Heroic — Whenever you cast a spell that targets this creature, you may pay {X}. If you do, put X +1/+1 counters on this creature.

Creature — Human Warrior

Whenever you cast a multicolored spell, create a 1/1 white Human creature token.

Creature — Human Soldier

Whenever you cast a spell that targets this creature, creatures you control get +1/+0 until end of turn.

Enchantment Creature — Human Soldier

When this creature enters, create a 1/1 white Human Soldier creature token. Whenever you cast a spell that targets this creature, creatures you control get +1/+0 until end of turn.

Creature — Cat Soldier

Whenever you cast a spell that targets this creature, creatures you control get +1/+0 until end of turn.

Creature — Human Soldier

Flying Whenever you cast a spell that targets this creature, creatures you control get +1/+0 until end of turn.

Artifact — Equipment

Equipped creature gets +3/+2. Whenever a legendary creature you control enters, you may attach this Equipment to it. Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

Instant

Destroy target creature or planeswalker.

Artifact — Equipment

For Mirrodin! (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.) During your turn, equipped creature has first strike and trample. Equip {2}{R}

Artifact — Equipment

For Mirrodin! (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.) Equipped creature has flying. Creatures you control that are equipped get +1/+0. Equip {2}{W}

Land

When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}. {1}, {T}: Add one mana of any color.

Enchantment

When an opponent casts an artifact spell, if this permanent is an enchantment, it becomes a 5/3 Soldier creature with trample.

Enchantment

When an opponent casts a creature spell with flying, if this permanent is an enchantment, it becomes a 3/5 Spider creature with reach. (It can block creatures with flying.)

Land — Cave

This land enters tapped. {T}: Add {R}. {4}{R}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Instant — Arcane

All creatures get -2/-2 until end of turn. Splice onto Arcane {3}{B}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Sorcery

Creatures you control gain intimidate until end of turn. (Each of those creatures can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Instant

Draw two cards. Cycling {U} ({U}, Discard this card: Draw a card.)

Artifact

When this artifact enters, target opponent loses 1 life and you gain 1 life. {T}: Add {C}.

Creature — Zombie

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Enchantment

Each creature you control can block an additional creature each combat.

Creature — Elk

When this creature dies, you gain 2 life.

Land

This land enters tapped. {T}: Add {U} or {R}.

Creature — Elf Citizen

Reach (This creature can block creatures with flying.) Whenever this creature blocks a creature with flying, this creature gets +2/+0 until end of turn.

Creature — Bird Soldier

Flying This creature gets +1/+1 for each other creature you control with a +1/+1 counter on it. {3}{W}: Put a +1/+1 counter on target creature.