Tranquility [Limited Edition Alpha] Two-Headed Giant Tournament prevent that damage and remove

prevent that damage and remove a +1/+1 counter from Undergrowth Champion

Set: Modern Masters Type: Creature — Lhurgoyf Rarity: Mythic Cost: {1}{G} Tarmogoyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1

using their libraries as their decks

Set: Commander Anthology Volume II Type: Creature — Goblin Artificer Rarity: Rare Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard

Tranquility [Limited Edition Alpha] Two-Headed Giant Tournament prevent that damage and removeSet: Limited Edition Alpha Type: Sorcery Rarity: Common Cost: {2}{G} Destroy all enchantments.