Caltrops [Urza's Destiny] Rivals of Ixalan Set: Champions of Kamigawa Type:

Set: Champions of Kamigawa Type: Legendary Creature — Human Monk Rare Cost: {2}{G} You may play two additional lands on each of your turns

Set: Commander 2014 Type: Enchantment Rare Cost: {3}{W}{W} Whenever a creature enters the battlefield under your control

Set: Friday Night Magic 2005 Type: Artifact Rarity: Rare Cost: {4} {1}

Set: Champions of Kamigawa Type: Enchantment Rare Cost: {2}{G}{G} Whenever one or more creatures you control deal combat damage to a player

if enchanted creature has flying

Caltrops [Urza's Destiny] Rivals of Ixalan Set: Champions of Kamigawa Type:Set: Urza's Destiny Type: Artifact Uncommon Cost: {3} Whenever a creature attacks, Caltrops deals 1 damage to it. Toward the end, Gatha struggled to keep his experiments in and his patrons out.