Ravnica Allegiance

Steeple Creeper | Creature | Frog Snake | {3}{U}: Steeple Creeper gains flying until end of turn. | Svetlin Velinov

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

Gyre Engineer | Creature | Vedalken Wizard | {T}: Add {G}{U}. | Anthony Palumbo

Simic Locket | Artifact | | {T}: Add {G} or {U}. {G/U}{G/U}{G/U}{G/U}, {T}, Sacrifice Simic Locket: Draw two cards. | Yeong-Hao Han