Yavimayan Mission

Nontoken creatures you control explore. (Reveal the top card of your library. Put that
card into your hand if it's a land. Otherwise, put
a +1/+1 counter on this creature, then put the
card back or put it into your graveyard.)
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I always wonder why birds choose to stay in the same place when they can fly anywhere on the earth. Then, I ask myself the same question.