Tier Zer0 Gaming

Creature — Human Rogue

Vigilance This creature gets +2/+0 as long as you've committed a crime this turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Enchantment — Aura

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature gets -4/-0.

Sorcery

Create an X/X green Ooze creature token.

Creature — Leech

At the beginning of combat on your turn, target creature you control with power 2 or less gets +1/+0 and gains deathtouch until end of turn.

Instant — Trap

If a black creature with flying is attacking, you may pay {G} rather than pay this spell's mana cost. Destroy target attacking creature with flying.

Land

This land enters tapped. {T}: Add {G}. Cycling {2} ({2}, Discard this card: Draw a card.)

Creature — Fish Beast

This creature can't attack unless defending player controls an Island. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

Creature — Serpent

This creature can't attack unless defending player controls an Island. When you control no Islands, sacrifice this creature. Morph {5}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Creature — Slith

Flying Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Creature — Shade

Defender (This creature can't attack.) {B}: This creature gets +1/+1 until end of turn. Hellbent — This creature can attack as though it didn't have defender as long as you have no cards in hand.

Creature — Slith

Haste Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Creature — Slith

Trample Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Creature — Slith

Whenever this creature becomes blocked, draw a card. Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Creature — Eldrazi Drone

Devoid (This card has no color.) Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.) {2}: This creature gets +1/+1 until end of turn.

Artifact Creature — Insect

Whenever another artifact you control enters or leaves the battlefield, you may pay {1}. If you do, target player loses 1 life and you gain 1 life.

Creature — Scorpion

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Scavenge {1}{B}{G} ({1}{B}{G}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Creature — Human Knight

Whenever an enchantment you control enters, scry 1. {2}{W}: This creature gets +1/+1 until end of turn for each enchantment you control.

Instant

Destroy target artifact or land. If an artifact is destroyed this way, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Instant

Destroy target artifact.

Creature — Human Warrior

When this creature enters, if you control two or more Gates, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Creature — Elemental

{2}{R}, Sacrifice this creature: Gain control of target creature with power 3 or less until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.

Creature — Minotaur Warrior

Whenever you cast an instant or sorcery spell, target creature an opponent controls can't block this turn.

Instant

Destroy target blocked creature.

Instant

Destroy target creature with power 4 or greater.

Sorcery

Smiting Helix deals 3 damage to any target and you gain 3 life. Flashback {R}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Creature — Elemental

Flying Creatures with flying your opponents control get -1/-1.

Creature — Zombie Mutant

{7}{B}: Target creature gets -3/-3 until end of turn.

Creature — Human Shaman

{1}{U}: Look at target face-down creature.

Land

This land enters tapped. {T}: Add {R}. Cycling {2} ({2}, Discard this card: Draw a card.)

Creature — Efreet Monk

When this creature dies, it deals 2 damage to you.

Creature — Snake

Tribute 3 (As this creature enters, an opponent of your choice may put three +1/+1 counters on it.) When this creature enters, if tribute wasn't paid, you gain 4 life.

Creature — Plant

Landfall — Whenever a land you control enters, this creature gains vigilance until end of turn.

Creature — Drake

Flying (This creature can't be blocked except by creatures with flying or reach.)

Creature — Beast

Landfall — Whenever a land you control enters, this creature gets +1/+1 until end of turn.

Creature — Eldrazi Turtle

Devoid (This card has no color.) {T}: Add {C}{C}. {3}{C}, {T}: Draw a card.

Artifact Creature — Construct

Metalcraft — This creature has flying as long as you control three or more artifacts.

Creature — Faerie Wizard

Flying When this creature enters, you may pay {2}. When you do, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Creature — Spider

Reach Whenever this creature blocks a creature with flying, this creature gets +2/+0 until end of turn.

Creature — Human Soldier

Whenever you cycle a card, tap target creature an opponent controls.

Artifact Creature — Thopter

Flying, haste

Creature — Beast

{2}{G}: Target Beast creature gets +1/+1 until end of turn. Morph {1}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Creature — Wolf

Menace (This creature can't be blocked except by two or more creatures.) As long as you control a Goblin or Orc, this creature gets +1/+0.

Creature — Wolf

{1}{G}: This creature gets +2/+2 until end of turn. Activate only once each turn.

Creature — Human Spy

{2}{U}, {T}: Look at the top card of target player's library. If it has an Agents of S.N.E.A.K. watermark, you may reveal it and put it into your hand. Otherwise, put it on your choice of the top or bottom of its owner's library.

Creature — Goblin Rogue

{2}, {T}: Target creature with power 2 or less can't be blocked this turn.

Creature — Homunculus Illusion

This creature can't block or be blocked by creatures with power 2 or greater.

Creature — Human Rogue

When this creature enters, mill two cards. (Put the top two cards of your library into your graveyard.) As long as there are five or more mana values among cards in your graveyard, this creature gets +1/+1 and has lifelink.

Creature — Rhino Beast

Whenever this creature becomes blocked, it gets +2/+2 until end of turn.

Instant

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. Draw two cards, then discard a card.

Creature — Human Warrior

Trample Morph {2}{G}{U}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Enchantment — Aura

You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step. Enchant creature Enchanted creature gets +0/+1 and has flying.

Creature — Dinosaur

Flying When this creature enters, you gain 3 life. Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

Creature — Human Druid

Alliance — Whenever another creature you control enters, you gain 1 life.

Creature — Spirit

Whenever you cast a Spirit or Arcane spell, target land becomes a 3/3 creature until end of turn. It's still a land.

Creature — Goblin Artificer

At the beginning of combat on your turn, you may pay {1} and sacrifice an artifact. If you do, create a 3/1 red Construct artifact creature token with haste.

Instant

Solar Blast deals 3 damage to any target. Cycling {1}{R}{R} ({1}{R}{R}, Discard this card: Draw a card.) When you cycle this card, you may have it deal 1 damage to any target.

Creature — Human Wizard

{T}, Sacrifice two lands: Draw three cards, then discard one of them.