Power Surge [Beta Edition] Core Set 2019 Promos counter target spell with mana

counter target spell with mana value X or less

these self-assembling metal strands can be coaxed into any shape imaginable

Set: Urza's Saga Type: Legendary Land Rarity: Rare {T}: Add {U} for each artifact you control

Set: Commander Anthology Type: Legendary Creature — Elf Warrior Rarity: Rare Cost: {1}{G}{G} {G}: Regenerate another target Elf

Power Surge [Beta Edition] Core Set 2019 Promos counter target spell with manaSet: 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.