Kytheon, Hero of Akros // Gideon, Battle-Forged

At end of combat, if Kytheon, Hero of Akros and at least two other creatures attacked this combat, exile Kytheon, then return him to the battlefield transformed under his owner’s control.
: Kytheon gains indestructible until end of turn.

Chandra, Fire of Kaladesh // Chandra, Roaring Flame

Whenever you cast a red spell, untap Chandra, Fire of Kaladesh.
: Chandra, Fire of Kaladesh deals 1 damage to target player or planeswalker. If Chandra has dealt 3 or more damage this turn, exile her, then return her to the battlefield transformed under her owner’s control.

Conclave Phalanx

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature’s color.)
When Conclave Phalanx enters the battlefield, you gain 1 life for each creature you control.

Gorehorn Minotaurs

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters the battlefield with two +1/+1 counters on it.)

Brute Force

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

Overwhelm

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature’s color.)
Creatures you control get +3/+3 until end of turn.

Epic Confrontation

Target creature you control gets +1/+2 until end of turn. It fights target creature you don’t control. (Each deals damage equal to its power to the other.)

Time to Feed

Choose target creature an opponent controls. When that creature dies this turn, you gain 3 life. Target creature you control fights that creature. (Each deals damage equal to its power to the other.)

Vaultbreaker

Whenever Vaultbreaker attacks, you may discard a card. If you do, draw a card.
Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it’s returned from the battlefield to its owner’s hand at the beginning of the next end step.)

Will of the Naga

Delve (Each card you exile from your graveyard while casting this spell pays for .)
Tap up to two target creatures. Those creatures don’t untap during their controller’s next untap step.

Skeletal Vampire

Flying
When Skeletal Vampire enters the battlefield, create two 1/1 black Bat creature tokens with flying.
, Sacrifice a Bat: Create two 1/1 black Bat creature tokens with flying.
Sacrifice a Bat: Regenerate Skeletal Vampire.

Ib Halfheart, Goblin Tactician

Whenever another Goblin you control becomes blocked, sacrifice it. If you do, it deals 4 damage to each creature blocking it.
Sacrifice two Mountains: Create two 1/1 red Goblin creature tokens.

Xathrid Demon

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Xathrid Demon, then each opponent loses life equal to the sacrificed creature’s power. If you can’t sacrifice a creature, tap Xathrid Demon and you lose 7 life.

Return to Dust

Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.

Mad Auntie

Other Goblin creatures you control get +1/+1.
: Regenerate another target Goblin.

Throttle

Target creature gets -4/-4 until end of turn.

Raiders’ Spoils

Creatures you control get +1/+0.
Whenever a Warrior you control deals combat damage to a player, you may pay 1 life. If you do, draw a card.

Blinding Spray

Creatures your opponents control get -4/-0 until end of turn.
Draw a card.

Embodiment of Spring

, , Sacrifice Embodiment of Spring: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Kor Hookmaster

When Kor Hookmaster enters the battlefield, tap target creature an opponent controls. That creature doesn’t untap during its controller’s next untap step.