Oath of Druids [Commander 2016] Planechase that source deals double that

that source deals double that damage to that player or permanent instead

you may pay {1}{G}{W}

the Extinguisher deals combat damage to a player

Thassa isn't a creature

Sacrifice another creature: Search your library for a card

Oath of Druids [Commander 2016] Planechase that source deals double thatSet: Commander 2016 Type: Enchantment Rarity: Rare Cost: {1}{G} At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.