Leaf-Crowned Elder

Kinship — At the beginning of your upkeep,
you may look at the top card of your library.
If it shares a creature type with Leaf-Crowned Elder, you may reveal it. If you do, you may
play that card without paying its mana cost.

"Defile the forest, and you awaken the wrath
of its oldest roots. We are the guardians, and our fury is eternal."