Murasa
Whenever a nontoken creature enters the battlefield, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. Whenever chaos ensues, target land becomes a 4/4 creature that's still a land.
Plane — Zendikar
standard:
not legal
future:
not legal
historic:
not legal
gladiator:
not legal
pioneer:
not legal
explorer:
not legal
modern:
not legal
legacy:
not legal
pauper:
not legal
vintage:
not legal
penny:
not legal
commander:
not legal
oathbreaker:
not legal
brawl:
not legal
historicbrawl:
not legal
alchemy:
not legal
paupercommander:
not legal
duel:
not legal
oldschool:
not legal
premodern:
not legal
predh:
not legal
High - Low