Ultotha, Stone-Root Sage

+1: Place two +1/+1 counters on target creature. It gains defender and reach until your next turn.
-3: Sacrifice a creature. Target unmodified creature loses all types and abilities, then becomes an artifact with "{t}: add one mana of any color".
-4: Return target creature from your graveyard to the battlefield. It can't attack or block until your next upkeep.