Ravnica Allegiance

Aeromunculus | Creature | Homunculus Mutant | Flying {2}{G}{U}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) | Simon Dominic

Applied Biomancy | Instant | | Choose one or both — • Target creature gets +1/+1 until end of turn. • Return target creature to its owner's hand. | Sidharth Chaturvedi

Growth Spiral | Instant | | Draw a card. You may put a land card from your hand onto the battlefield. | Seb McKinnon

Scuttlegator | Creature | Crab Turtle Crocodile | Defender {6}{G/U}{G/U}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.) As long as Scuttlegator has a +1/+1 counter on it, it can attack as though it didn't have defender. | Jehan Choo

Frenzied Arynx | Creature | Cat Beast | Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.) Trample {4}{R}{G}: Frenzied Arynx gets +3/+0 until end of turn. | Filip Burburan

Rubblebelt Runner | Creature | Viashino Warrior | Rubblebelt Runner can't be blocked by creature tokens. | Deruchenko Alexander

Savage Smash | Sorcery | | Target creature you control gets +2/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.) | Zoltan Boros

Rubble Slinger | Creature | Human Warrior | Reach | Livia Prima