Ego, the Living Planet

When Ego enters, target land you control gains "Creatures you control named Ego, the
Living Planet have indestructible."
{1}{b}: Put a -1/-1 counter on target creature.
{2}{g}: Search your library for a land card and put it onto the battlefield. Then shuffle.
{3}{r}: Ego deals 4 damage to any target.
{2}{w}{b}{r}{g}: Lands you control become 3/3 creatures until end of turn. They're still lands.