Caltrops [Urza's Destiny] Seventh Edition Set: Unglued Type: Artifact Rare

Set: Unglued Type: Artifact Rare Cost: {0} {T}: Roll a six-sided die

remove a scream counter from it

Set: Limited Edition Beta Type: Enchantment Uncommon Cost: {3}{W} Untapped creatures you control get +0/+2

Set: Limited Edition Alpha Type: Enchantment — Aura Rare Cost: {B}{B} Enchant artifact At the beginning of the upkeep of enchanted artifact's controller

Set: Magic Origins Promos Type: Creature — Hydra Rare Cost: {2}{G} Trample Whenever a player casts a spell

Caltrops [Urza's Destiny] Seventh Edition Set: Unglued Type: Artifact RareSet: 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.