Teferi, Temporal Pilgrim (Promo Pack) [The Brothers' War Promos] SM191 Doom of Fools can be

Doom of Fools can be your commander

If Cosmic Horror is destroyed this way

The flashback cost is equal to that card's mana cost

Set: Portal Second Age Type: Creature — Serpent Rarity: Rare Cost: {6}{U}{U} When Denizen of the Deep enters the battlefield

Set: Time Spiral Type: Instant Rarity: Rare Cost: {1}{U} Split second (As long as this spell is on the stack

Teferi, Temporal Pilgrim (Promo Pack) [The Brothers' War Promos] SM191 Doom of Fools can beSet: The Brothers' War Promos Type: Legendary Planeswalker Legendary Planeswalker Teferi Rarity: Mythic Cost: {3}{U}{U} Whenever you draw a card, put a loyalty counter on Teferi, Temporal Pilgrim. 0: Draw a card. 2: Create a 2 2 blue Spirit creature token with vigilance and "Whenever you draw a card, put a +1 +1 counter on this creature." 12: Target opponent chooses a permanent they control and returns it to its owner's hand. Then they shuffle each