Eidolon of Countless Battles

Bestow (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 to a creature.)
Eidolon of Countless Battles and enchanted creature each get +1/+1 for each creature you control and +1/+1 for each Aura you control.

Ulvenwald Hydra

Reach
Ulvenwald Hydra’s power and toughness are each equal to the number of lands you control.
When Ulvenwald Hydra enters the battlefield, you may search your library for a land card, put it onto the battlefield tapped, then shuffle.

Belligerent Sliver

Sliver creatures you control have menace. (They can’t be blocked except by two or more creatures.)

Thraximundar

Haste
Whenever Thraximundar attacks, defending player sacrifices a creature.
Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

Thraximundar

Haste
Whenever Thraximundar attacks, defending player sacrifices a creature.
Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

Slip Through Space

Devoid (This card has no color.)
Target creature can’t be blocked this turn.
Draw a card.

Mukotai Ambusher

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Lifelink

Beledros Witherbloom

Flying
At the beginning of each upkeep, create a 1/1 black and green Pest creature token with “When this creature dies, you gain 1 life.”
Pay 10 life: Untap all lands you control. Activate only once each turn.

Velomachus Lorehold

Flying, vigilance, haste
Whenever Velomachus Lorehold attacks, look at the top seven cards of your library. You may cast an instant or sorcery spell with mana value less than or equal to Velomachus Lorehold’s power from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

Tanazir Quandrix

Flying, trample
When Tanazir Quandrix enters the battlefield, double the number of +1/+1 counters on target creature you control.
Whenever Tanazir Quandrix attacks, you may have the base power and toughness of other creatures you control become equal to Tanazir Quandrix’s power and toughness until end of turn.

Galazeth Prismari

Flying
When Galazeth Prismari enters the battlefield, create a Treasure token.
Artifacts you control have “: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.”

Etali, Primal Storm

Whenever Etali, Primal Storm attacks, exile the top card of each player’s library, then you may cast any number of spells from among those cards without paying their mana costs.

Pact of the Titan

Create a 4/4 red Giant creature token.
At the beginning of your next upkeep, pay . If you don’t, you lose the game.

Ghostly Flicker

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Elvish Archdruid

Other Elf creatures you control get +1/+1.
: Add for each Elf you control.

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of equal to that spell’s mana value.

Vampiric Tutor

Search your library for a card, then shuffle your library and put that card on top of it. You lose 2 life.

Welding Sparks

Welding Sparks deals X damage to target creature, where X is 3 plus the number of artifacts you control.

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of equal to that spell’s converted mana cost.

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of equal to that spell’s converted mana cost.

Vampiric Tutor

Search your library for a card, then shuffle your library and put that card on top of it. You lose 2 life.

Welding Sparks

Welding Sparks deals X damage to target creature, where X is 3 plus the number of artifacts you control.

Voltaic Brawler

When Voltaic Brawler enters the battlefield, you get (two energy counters).
Whenever Voltaic Brawler attacks, you may pay . If you do, it gets +1/+1 and gains trample until end of turn.