Mages' Contest [Invasion] Squirrel Warrior Set: Secret Lair Drop Series

Set: Secret Lair Drop Series Type: Land Rarity: Rare Emeria

({G/P} can be paid with either {G} or 2 life

Set: Commander Masters Type: Enchantment Rarity: Mythic Cost: {1}{B}{B}{B} Whenever a creature you control is put into a graveyard from the battlefield

and Serpents

Whenever a player casts a spell

Mages' Contest [Invasion] Squirrel Warrior Set: Secret Lair Drop SeriesSet: Invasion 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.