Power Surge [Limited Edition Beta] Fungus Demon When a dragon attacks

When a dragon attacks

Set: Antiquities Type: Artifact Creature — Construct Rarity: Rare Cost: {6} Triskelion enters the battlefield with three +1/+1 counters on it

*Frankenstein*

Set: Kaladesh Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger

Power Surge [Limited Edition Beta] Fungus Demon When a dragon attacksSet: Limited Edition Beta Type: Enchantment Rarity: Rare Cost: {R}{R} At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.