Mages' Contest [The List] DB1-067 you may pay {0} rather

you may pay {0} rather than pay the mana cost for a spell you cast with converted mana cost X or less

you may have Kederekt Parasite deal 1 damage to that player

Set: Prerelease Promos Era: Saiyan Saga Rarity: Promo Game character: Raditz Color: Red Energy color cost: 1(R) Card type: Battle Power: 4000 Combo power: 5000 [Auto] When you play this card

Set: Sun & Moon: Hidden Fates - Shiny Vault Type: Water Rarity: Secret Rare Retreat cost: Colorless

Set: From the Vault: Legends Type: Legendary Creature — Human Soldier Mythic Cost: {4}{U}{U} Creatures you control have horsemanship

Mages' Contest [The List] DB1-067 you may pay {0} ratherSet: The List Type: Instant Rarity: Rare Cost: {1}{R}{R} You and target spell's controller bid life. You start the bidding with a bid of 1. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid. If you win the bidding, counter that spell.