Giant Growth

Target creature gets +3/+3 until end of turn.

Unified Will

Counter target spell if you control more creatures than that spell’s controller.

Knight of Cliffhaven

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-3
2/3
Flying
LEVEL 4+
4/4
Flying, vigilance

Raid Bombardment

Whenever a creature you control with power 2 or less attacks, Raid Bombardment deals 1 damage to the player or planeswalker that creature is attacking.

Yavimaya Elder

When Yavimaya Elder dies, you may search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle your library.
, Sacrifice Yavimaya Elder: Draw a card.

Thornscape Battlemage

Kicker and/or (You may pay an additional and/or as you cast this spell.)
When Thornscape Battlemage enters the battlefield, if it was kicked with its kicker, it deals 2 damage to any target.
When Thornscape Battlemage enters the battlefield, if it was kicked with its kicker, destroy target artifact.

Tuktuk Scrapper

Whenever Tuktuk Scrapper or another Ally enters the battlefield under your control, you may destroy target artifact. If that artifact is put into a graveyard this way, Tuktuk Scrapper deals damage to that artifact’s controller equal to the number of Allies you control.

Surrakar Banisher

When Surrakar Banisher enters the battlefield, you may return target tapped creature to its owner’s hand.

Bazaar Trader

: Target player gains control of target artifact, creature, or land you control.

Giant Growth

Target creature gets +3/+3 until end of turn.

Goblin Ruinblaster

Kicker (You may pay an additional as you cast this spell.)
Haste
When Goblin Ruinblaster enters the battlefield, if it was kicked, destroy target nonbasic land.

Slaughter Cry

Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Rite of Replication

Kicker (You may pay an additional as you cast this spell.)
Create a token that’s a copy of target creature. If this spell was kicked, create five of those tokens instead.

Living Tsunami

Flying
At the beginning of your upkeep, sacrifice Living Tsunami unless you return a land you control to its owner’s hand.

Bala Ged Thief

Whenever Bala Ged Thief or another Ally enters the battlefield under your control, target player reveals a number of cards from their hand equal to the number of Allies you control. You choose one of them. That player discards that card.

Timbermaw Larva

Whenever Timbermaw Larva attacks, it gets +1/+1 until end of turn for each Forest you control.

Etched Oracle

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
, Remove four +1/+1 counters from Etched Oracle: Target player draws three cards.

Master of Etherium

Master of Etherium’s power and toughness are each equal to the number of artifacts you control.
Other artifact creatures you control get +1/+1.

Great Sable Stag

This spell can’t be countered.
Protection from blue and from black (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything blue or black.)

Mold Adder

Whenever an opponent casts a blue or black spell, you may put a +1/+1 counter on Mold Adder.

Giant Growth

Target creature gets +3/+3 until end of turn.

Mask of Riddles

Equipped creature has fear. (It can’t be blocked except by artifact creatures and/or black creatures.)
Whenever equipped creature deals combat damage to a player, you may draw a card.
Equip

Flurry of Wings

Create X 1/1 white Bird Soldier creature tokens with flying, where X is the number of attacking creatures.