Comet Storm [Commander 2017] Zombie Assassin Two-Headed Giant gains double strike

Two-Headed Giant gains double strike until end of turn

Set: Dragons of Tarkir Type: Creature — Orc Shaman Rarity: Rare Cost: {1}{R} Menace (This creature can't be blocked except by two or more creatures

Wither (This deals damage to creatures in the form of -1/-1 counters

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands

Comet Storm [Commander 2017] Zombie Assassin Two-Headed Giant gains double strikeSet: Commander 2017 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.