Oltomaz, Vexed Aegis

Oltomaz, Vexed Aegis's power is equal to the number of cards in your hand.
Whenever a spell or ability you control prevents damage that would be dealt to you or a permanent you control, you may draw a card.
Dominance — As long as Oltomaz has the highest power among creatures on the battlefield, prevent all combat damage that would be dealt to you and permanents you cont