The Relentless Dragon

Creature — Eldrazi

Whenever another colorless creature you control enters, you may change this creature's base power and toughness to that creature's power and toughness until end of turn.

Artifact

Creatures you control get +1/+1 and have flying and indestructible. At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice this artifact.

Sorcery

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.

Instant

Electrickery deals 1 damage to target creature you don't control. Overload {1}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Sorcery

Electro's Bolt deals 4 damage to target creature. Mayhem {1}{R} (You may cast this card from your graveyard for {1}{R} if you discarded it this turn. Timing rules still apply.)

Enchantment

Whenever a creature you control enters, you may pay {2}{R}. If you do, that creature deals damage equal to its power to any target.

Creature — Jellyfish

Flash Flying When this creature enters, you get {E}{E} (two energy counters). At the beginning of your first main phase, tap this creature unless you pay {E}.

Creature — Elf Artificer

This creature can't be blocked by creatures with power 2 or less. Fabricate 2 (When this creature enters, put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens.)

Creature — Elf Druid

Alliance — Whenever another creature you control enters, target creature other than this creature gets +1/+1 and gains trample until end of turn.

Sorcery

Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a 7/1 red Elemental creature token with trample and haste. Exile it at the beginning of the next end step. If this spell was kicked, that creature gets +7/+0 until end of turn.

Enchantment

{3}: Look at the top three cards of target player's library, then put them back in any order.

Creature — Orc Wizard

Magecraft — Whenever you cast or copy an instant or sorcery spell, choose target creature you control. Until end of turn, it gains "If this creature would leave the battlefield, exile it instead of putting it anywhere else" and "When this creature is put into exile, create a 4/4 blue and red Elemental creature token." (Each instance of that ability triggers separately.)

Sorcery

Create two 4/4 blue and red Elemental creature tokens. {U/R}{U/R}, Discard this card: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Enchantment — Aura

Enchant permanent At the beginning of your first main phase, add mana equal to enchanted permanent's mana cost. (Mana cost includes color. If a mana symbol has multiple colors, choose one.)

Sorcery — Lesson

Create a 4/4 blue and red Elemental creature token.

Legendary Creature — Vampire Knight

Lifelink, hexproof from instants As long as your life total is greater than your starting life total, Elenda gets +1/+1 and has menace. Elenda gets an additional +5/+5 as long as your life total is at least 10 greater than your starting life total.

Enchantment

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Black creatures can't attack you. Nonblack creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Legendary Creature — Sphinx

Flying If you would scry a number of cards, draw that many cards instead. Partner (You can have two commanders if both have partner.)

Instant

Destroy target creature or planeswalker with mana value 3 or less.

Sorcery

As an additional cost to cast this spell, sacrifice X creatures. Destroy X target creatures.

Creature — Human Soldier Archer

{T}: This creature deals 3 damage to target attacking or blocking creature.

Creature — Human Soldier

First strike, vigilance Protection from Vampires, from Werewolves, and from Zombies

Creature — Human Wizard

When this creature enters, draw a card, then discard a card.

Creature — Human Soldier

When this creature enters, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.) Whenever a creature you control with a +1/+1 counter on it attacks, tap target creature defending player controls.

Artifact

This artifact enters tapped. {5}, {T}, Exile this artifact: Shuffle all nonland cards from your graveyard into your library. You gain life equal to the number of cards shuffled into your library this way.

World Enchantment

At the beginning of each player's upkeep, that player exiles a card at random from their hand. The player may play that card this turn. At the beginning of the next end step, if the player hasn't played the card, they put it into their graveyard.

Legendary Creature — Human

Haste Whenever you cast your second spell each turn, untap target creature, then investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.") Partner—Friends forever (You can have two commanders if both have this ability.)

Instant

For each opponent, you create a token that's a copy of up to one target creature that player controls.

Artifact

When this artifact enters, draw a card. Sacrifice this artifact: Choose a basic land type. Each land you control becomes that type until end of turn.

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile target permanent an opponent controls with mana value 3 or greater. II — Noncreature spells your opponents cast cost {2} more to cast until your next turn. III — Return target creature or planeswalker card from your graveyard to the battlefield. Put a +1/+1 counter or a loyalty counter on it.

Legendary Planeswalker — Elspeth

If one or more tokens would be created under your control, twice that many of those tokens are created instead. +1: Create a 1/1 white Soldier creature token. 0: Put a +1/+1 counter on each creature you control. Those creatures gain flying until your next turn. −3: Destroy target creature an opponent controls with mana value 3 or greater.

Creature — Human Monk

Whenever you cast a noncreature spell, this creature gets +1/+0 until end of turn and can't be blocked this turn.

Artifact — Equipment

When this Equipment enters, you may pay {2}. If you do, create a 1/1 green Elf Warrior creature token, then attach this Equipment to it. Equipped creature gets +1/+2 and has reach. Equip {3}

Creature — Elf Druid

{T}: Add {B}. This creature deals 1 damage to you.

Creature — Elf Druid

Other Elf creatures you control get +1/+1. {T}: Add {G} for each Elf you control.

Creature — Elf Shaman Bard

All creatures able to block this creature do so.

Creature — Zombie Elf

Deathtouch When this creature dies, non-Elf creatures get -3/-3 until end of turn. Encore {5}{B}{B} ({5}{B}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Enchantment — Aura

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional {G} for each Elf on the battlefield.

Creature — Elf Shaman

{G}, {T}: You may put a creature card from your hand onto the battlefield.

Creature — Elemental

{5}{R}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, each player sacrifices three lands of their choice.

Creature — Human Knight

During your turn, this creature has flying. Whenever this creature attacks, you may pay {2}{R}. If you do, creatures you control get +X/+0 until end of turn, where X is the number of opponents you have.

Creature — Djinn

Flying, trample This creature attacks each combat if able. Whenever this creature deals damage, you lose that much life.