Shrewd Hatchling enters with four -1/-1 counters on it.: Target creature can't block Shrewd Hatchling this turn.Whenever you cast a blue spell, remove a -1/-1 counter from Shrewd Hatchling.Whenever you cast a red spell, remove a -1/-1 counter from Shrewd Hatchling.
Creatures your opponents control lose flying until end of turn if was spent to cast this spell, and creatures you control gain flying until end of turn if was spent to cast this spell. (Do both if was spent.)
Whenever you cast a spell that's both black and green, Woodlurker Mimic has base power and toughness 4/5 until end of turn and gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)
Whenever you cast a spell that's both red and white, Battlegate Mimic has base power and toughness 4/2 until end of turn and gains first strike until end of turn.
: Restless Apparition gets +3/+3 until end of turn.Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
Chroma — When Springjack Shepherd enters, create a 0/1 white Goat creature token for each white mana symbol in the mana costs of permanents you control.
Sturdy Hatchling enters with four -1/-1 counters on it.: Sturdy Hatchling gains shroud until end of turn. (It can't be the target of spells or abilities.)Whenever you cast a green spell, remove a -1/-1 counter from Sturdy Hatchling.Whenever you cast a blue spell, remove a -1/-1 counter from Sturdy Hatchling.