Sigil of Aether (Rainbow Foil) [LGS366] (Promo) Rainbow Foil CRU160 it gains +3[Power]

it gains +3[Power]

when you boost a card

Set: Promo Finish: Cold Foil Rarity: Promo Modular (This may be equipped to any equipment zone

where X is that card's reserve cost

• 65+ double-sleeved cards

Sigil of Aether (Rainbow Foil) [LGS366] (Promo) Rainbow Foil CRU160 it gains +3[Power]Set: Promo Finish: Rainbow Foil Type: Instant Subtype: Aura Rarity: Promo Class: Wizard Cost: 0 At the beginning of your action phase, destroy this. When this leaves the arena, deal 1 arcane damage to any target. If damage is dealt this way, amp 1. (The next time you would deal arcane damage this turn, instead deal that much plus 1.)