Comet Storm [Modern Masters 2015] Magic Origins creatures can't attack you or

creatures can't attack you or a planeswalker you control unless their controller pays {1} for each of those creatures

Set: Onslaught Type: Land Rarity: Rare {T}

Then put the exiled cards that weren't cast this way on the bottom of that library in a random order

reveal them

they trenched

Comet Storm [Modern Masters 2015] Magic Origins creatures can't attack you orSet: 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.