Sigil of Aether (Marvel) [ROS168] (Rosetta) Cold Foil UPR008 when you Boost a card

when you Boost a card

(A red card is a card with a red color strip

" Essence of Earth (You may have Earth Cards on your deck

Set: Promo Finish: Regular Type: Action Subtype: Attack Rarity: Promo Class: Ninja Cost: 0 Power: 3 Combo - If Surging Strike was the last attack this combat chain

where X is the amount of arcane damage you have dealt to that hero this turn

Sigil of Aether (Marvel) [ROS168] (Rosetta) Cold Foil UPR008 when you Boost a cardSet: Rosetta Finish: Cold Foil Type: Instant Subtype: Aura Rarity: Marvel 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.)