As long as it's not your turn
not merely flay it
Set: Weatherlight Type: Artifact Rarity: Rare Cost: {2} Activated abilities of artifacts can't be activated
Set: Modern Masters Type: Instant Rarity: Rare Cost: {3}{U} Search your library for up to four cards with different names and reveal them
Odric, Lunarch Marshal [Shadows over Innistrad Prerelease Promos] Nightmare Sphinx As long as it's notSet: Shadows over Innistrad Prerelease Promos Type: Legendary Creature Human Soldier Rarity: Rare Cost: {3}{W} At the beginning of each combat, creatures you control gain first strike until end of turn if a creature you control has first strike. The same is true for flying, deathtouch, double strike, haste, hexproof, indestructible, lifelink, menace, reach, skulk, trample, and vigilance.