Fist of Suns [Commander 2017] Kaladesh Prerelease Promos that player sacrifices a creature

that player sacrifices a creature or planeswalker

Set: Rise of the Eldrazi Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {10} When you cast this spell

Set: Tempest Type: Creature — Elemental Rare Cost: {5}{G}{G}{G} At the beginning of each upkeep

the castle's walls mark the only place on Kamigawa where no kami has ever set foot

Set: Shards of Alara Type: Enchantment Rare Cost: {1}{U}{U} Whenever an opponent casts a spell

Fist of Suns [Commander 2017] Kaladesh Prerelease Promos that player sacrifices a creatureSet: Commander 2017 Type: Artifact Rare Cost: {3} You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast. "It is all in my grasp. Every petty dream, every grand scheme, every soul, every fear. It all flows through me and from me." Memnarch