Defense of the Heart [Urza's Legacy] Lightning[-20] Destroy all Attack Position monsters

Destroy all Attack Position monsters on your opponent's side of the field

it can attack your opponent directly this turn

these devices doubled the output of Amrit Vatyam's forges

remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb

Defense of the Heart [Urza's Legacy] Lightning[-20] Destroy all Attack Position monstersSet: Urza's Legacy Type: Enchantment Rarity: Rare Cost: {3}{G} At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, and put those cards onto the battlefield. Then shuffle your library.