Gwen Stacy

When Nia enters, exile the top card of your library. You may play that card for as long as you control this creature.

: Transform Nia. Activate only as a sorcery.

Flying, vigilance, haste

Whenever you play a land from exile or cast a spell from exile, put a +1/+1 counter on Nia.

Remove two counters from Nia: Exile the top card of your library. You may play that card this turn.