Target 1 face-up monster you control and 1 face-up monster your opponent controls; the ATK of the first target becomes equal to the original ATK of the second target, until the end of this turn.
Equip only to an "Aesir" or "Nordic" monster. It gains 800 ATK. If this face-up card on the field is destroyed by a card effect: You can add 1 "Nordic Relic" card from your Deck to your hand.
Banish 1 "Aesir" or "Nordic" monster you control, then target 1 card on the field; destroy it, also during your 2nd End Phase after activation, return the monster you banished to activate this card to the field in face-up Attack Position.
Special Summon 1 "Nordic" monster from your Deck, but you cannot Special Summon monsters from the Extra Deck, except "Aesir" monsters, while that monster is face-up on the field. You can banish this card from your GY; add 1 "Nordic" monster from your Deck to your hand, then shuffle 1 card from your hand into the Deck. You can only use 1 "Nordic Relic Hlidskjalf" effect per turn, and only once that turn.
Target 1 face-up monster on the field that destroyed a monster by battle this turn; destroy it. Cards and effects cannot be activated in response to this card's activation.
Target 1 "Aesir" or "Nordic" monster you control; its ATK/DEF become double its original ATK/DEF, until the end of this turn, but it cannot attack your opponent directly this turn.
If you control an "Aesir" monster: You can negate the effects of all face-up cards your opponent currently controls, until the end of this turn. You can Tribute 1 "Nordic" monster, then target 1 "Aesir" monster in your GY; Special Summon it. You can only use 1 "Nordic Relic Svalinn" effect per turn, and only once that turn.