Warstorm Surge (Surge Foil) [Warhammer 40,000] TG04 you can activate it by

you can activate it by paying its energy cost and removing it and 1 blue card in your hand from the game

Set: Secret Lair Drop Series Type: Legendary Creature — Human Shaman Rarity: Mythic Cost: {2}{B}{G} Whenever another creature you control dies

Set: McDonald's Promos: 2014 Collection Type: Fairy Rarity: Promo Retreat cost: Colorless

sacrifice Ball Lightning

you may return that nonland permanent card to the battlefield instead

Warstorm Surge (Surge Foil) [Warhammer 40,000] TG04 you can activate it bySet: Warhammer 40,000 Type: Enchantment Rarity: Rare Cost: {5}{R} Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target. Khorne's sole desire is to drown the galaxy in a tide of slaughter. To conquer and kill every living thing, until there is nothing left but spilled blood and shattered bone.