Caltrops [Urza's Destiny] Fifth Dawn Set: Eternal Masters Type: Instant

Set: Eternal Masters Type: Instant Rarity: Rare Cost: {U} Search your library for an instant or sorcery card and reveal that card

and any Battle Damage you take is reduced to 0

Set: HeartGold & SoulSilver: Call of Legends Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Set: Urza's Saga Type: Enchantment Rarity: Rare Cost: {3}{G} Whenever a Forest is tapped for mana

Caltrops [Urza's Destiny] Fifth Dawn Set: Eternal Masters Type: InstantSet: Urza's Destiny Type: Artifact Rarity: 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.