Bastion

{3} Bastion gains +2/+0 and Defender. You may
repay the mana cost to revert bastion back to normal.
(Whenever this creatue deals combat damage place an ult counter on it.)
You may remove three ult counters from this
creature and give bastion +4/+0 untill end of turn. Combat damage delt by bastion this turn does not
give ult counters.