Caltrops [Urza's Destiny] Zendikar Promos Archangel gets +1/+1 for each

Archangel gets +1/+1 for each other creature with flying on the battlefield

put it on top of its owner's library instead of into that player's graveyard

then return it to the battlefield tapped under its owner's control

Set: Duels of the Planeswalkers Type: Artifact Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

Caltrops [Urza's Destiny] Zendikar Promos Archangel gets +1/+1 for eachSet: 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.