Sarkhan, Fireblood [Core Set 2019 Prerelease Promos] Phyrexian Demon When Oathkeeper

When Oathkeeper

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {3}{U}{U} You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost

Deep within the Cabal's vault

and that player can't activate abilities that aren't mana abilities

The first vine shows the others where to grow

Sarkhan, Fireblood [Core Set 2019 Prerelease Promos] Phyrexian Demon When OathkeeperSet: Core Set 2019 Prerelease Promos Type: Legendary Planeswalker Sarkhan Rarity: Mythic Cost: {1}{R}{R} +1: You may discard a card. If you do, draw a card. +1: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells. 7: Create four 5 5 red Dragon creature tokens with flying.