Comet Storm [Modern Masters 2015] San Diego Comic-Con 2013 Set: Legends Type: Sorcery Rarity:

Set: Legends Type: Sorcery Rarity: Rare Cost: {2}{B}{B} Exile All Hallow's Eve with two scream counters on it

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

Lost Order of Jarkeld's power and toughness are each equal to 1 plus the number of creatures the chosen player controls

"Unless they're pretty useful as well

You may play it this turn

Comet Storm [Modern Masters 2015] San Diego Comic-Con 2013 Set: Legends Type: Sorcery Rarity:Set: Modern Masters 2015 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.