Loki, Lord of the Aesir #SP14-EN049

DarkMonster

1 "Nordic Alfar" Tuner + 2 or more non-Tuner monsters Once per turn, when your opponent activates a Spell/Trap Card during your Battle Phase: You can negate the activation, and if you do, destroy it (this is a Quick Effect). During the End Phase, if this face-up card you controlled was destroyed by your opponent's card (either by battle or by card effect) and sent to your Graveyard this turn: You can banish 1 "Nordic Alfar" Tuner monster from your Graveyard; Special Summon this card from the Graveyard. When Summoned this way: You can target 1 Trap Card in your Graveyard; add that target to your hand.