Glorious End [Amonkhet Prerelease Promos] World Magic Cup Qualifiers If Cosmic Horror is destroyed

If Cosmic Horror is destroyed this way

"O to Be a Dragon"

put the cards in your hand on the bottom of your library in any order

you may search your library for up to three basic land cards

Glorious End [Amonkhet Prerelease Promos] World Magic Cup Qualifiers If Cosmic Horror is destroyedSet: Amonkhet Prerelease Promos Type: Instant Rarity: Mythic Cost: {2}{R} End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.) At the beginning of your next end step, you lose the game.