Nahiri, the Harbinger [Shadows over Innistrad Prerelease Promos] Shining Victories if your "Ursarctic" monster would

if your "Ursarctic" monster would Tribute a monster(s) to activate its effect

A WIND Synchro Monster that was Summoned using this card as Synchro Material cannot be destroyed by your opponent's card effects

You can only use this effect of "Imperial Bower" once per turn

Set: Dark Neostorm Card type: Xyz/Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 2+ Level 10 monsters When a monster is destroyed by battle and sent to the GY: You can detach 1 material from this card

Nahiri, the Harbinger [Shadows over Innistrad Prerelease Promos] Shining Victories if your "Ursarctic" monster wouldSet: Shadows over Innistrad Prerelease Promos Type: Legendary Planeswalker Nahiri Rarity: Mythic Cost: {2}{R}{W} +2: You may discard a card. If you do, draw a card. 2: Exile target enchantment, tapped artifact, or tapped creature. 8: Search your library for an artifact or creature card, put it onto the battlefield, then shuffle. It gains haste. Return it to your hand at the beginning of the next end step.