Ring of Three Wishes enters with three wish counters on it., , Remove a wish counter from Ring of Three Wishes: Search your library for a card, put that card into your hand, then shuffle.
Vastwood Hydra enters with X +1/+1 counters on it.When Vastwood Hydra dies, you may distribute a number of +1/+1 counters equal to the number of +1/+1 counters on Vastwood Hydra among any number of creatures you control.
FlyingWhenever Scourge of Valkas or another Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control.: Scourge of Valkas gets +1/+0 until end of turn.
+1: Put a +1/+1 counter on up to one target creature.−3: Target creature gains flying and double strike until end of turn.−8: Create X 2/2 white Cat creature tokens, where X is your life total.
TrampleKalonian Hydra enters with four +1/+1 counters on it.Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control.
+1: Reveal the top five cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.−3: You may put a green creature card from your hand onto the battlefield.−7: You get an emblem with "Whenever you cast a creature spell, you may search your library for a creature card, put it onto...
As Door of Destinies enters, choose a creature type.Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.