Caltrops [Seventh Edition] Locus A player wins if their

A player wins if their card had a higher mana value

that player puts that card onto the battlefield and all other cards revealed this way into their graveyard

If you've never choked on the embers of your own spell

destroy Worms of the Earth

even wise generals were known to rashly lead their troops into battle—often to disastrous defeats

Caltrops [Seventh Edition] Locus A player wins if theirSet: Seventh Edition Type: Artifact Rarity: Uncommon Cost: {3} Whenever a creature attacks, Caltrops deals 1 damage to it. The Eastern Paladin knew how highly his southern rival valued horses, so he gleefully prepared a suitable welcome.