Mimir of the Nordic Ascendant [LEHD-ENB09] Common Reptile You may choose to have

You may choose to have that player shuffle their hand into their Deck and draw a new hand

You can only use this effect of "Euler's Circuit" once per turn

attach it to this card as a face-up material

but you cannot Normal Summon/Set for the rest of this turn

Set: Legendary Collection Kaiba Card type: Quick Play Spell Rarity: Ultra Rare Target 1 face-up monster on the field

Mimir of the Nordic Ascendant [LEHD-ENB09] Common Reptile You may choose to haveSet: Legendary Hero Decks Card type: Effect Monster Rarity: Common Attack: 600 Defense: 0 Once per turn, at the start of your Standby Phase, if you control a "Nordic" monster and this card is in your GY: You can send 1 Spell from your hand to the GY; Special Summon this card.