If was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If was spent to cast this spell, you may have target creature get +3/+3 until end of turn. (Do both if was spent.)
When Noggle Hedge-Mage enters, if you control two or more Islands, you may tap two target permanents.When Noggle Hedge-Mage enters, if you control two or more Mountains, you may have Noggle Hedge-Mage deal 2 damage to target player or planeswalker.
TrampleTap an untapped red creature you control other than Impelled Giant: Impelled Giant gets +X/+0 until end of turn, where X is the power of the creature tapped this way.
When Nucklavee enters, you may return target red sorcery card from your graveyard to your hand.When Nucklavee enters, you may return target blue instant card from your graveyard to your hand.
: Groundling Pouncer gets +1/+3 and gains flying until end of turn. Activate only once each turn and only if an opponent controls a creature with flying.
Target creature gets +4/+4 until end of turn.Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)
When Selkie Hedge-Mage enters, if you control two or more Forests, you may gain 3 life.When Selkie Hedge-Mage enters, if you control two or more Islands, you may return target tapped creature to its owner's hand.
FlashPersist (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.)
FlashPersist (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.)
, Sacrifice Grazing Kelpie: Put target card from a graveyard on the bottom of its owner's library.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.)
Enchant creatureAs long as enchanted creature is red, it gets +1/+1 and has ": This creature gets +1/+0 until end of turn."As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)
Whenever you cast a spell that's both white and black, Nightsky Mimic has base power and toughness 4/4 until end of turn and gains flying until end of turn.