Mages' Contest [Invasion] Token Creature sacrifice it

sacrifice it

Set: Commander 2018 Type: Artifact Rarity: Rare Cost: {4} Untap all artifacts you control during each other player's untap step

you may remove those counters and transform it

Lightning Rider

When the Planeswalker Angrath called dinosaurs "dragons

Mages' Contest [Invasion] Token Creature sacrifice itSet: 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.