Power Surge [Beta Edition] Psychic[×2] when a face-up LIGHT monster

when a face-up LIGHT monster you control battles

during your opponent's Standby Phase: You can inflict 300 damage to your opponent for each card your opponent controls

Set: Battlebond Type: Sorcery Rarity: Rare Cost: {1}{R}{R} Until end of turn

Set: Happy Holidays Type: Snow Enchantment Rarity: Rare Cost: {2}{W}{W} Whenever a creature deals damage to you

or Special Summonded

Power Surge [Beta Edition] Psychic[×2] when a face-up LIGHT monsterSet: Beta Edition 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.