Comet Storm [Worldwake Prerelease Promos] Ox Set: Secret Lair Drop Series

Set: Secret Lair Drop Series Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {13} This spell costs {1} less to cast for each card type among cards in your graveyard

It's a formula that demons have perfected

Set: Outlaws of Thunder Junction Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {1}{W}{B} Whenever one or more tokens enter the battlefield under your opponents' control

Set: Alpha Edition Type: Instant Rarity: Common Cost: {X}{U} Counter target spell unless its controller pays {X}

Set: The List Type: Instant Rarity: Common Cost: {B} Add {B}{B}{B}

Comet Storm [Worldwake Prerelease Promos] Ox Set: Secret Lair Drop SeriesSet: Worldwake Prerelease Promos Type: Instant Rarity: Mythic Cost: {X}{R}{R} Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.