Defense of the Heart [Urza's Legacy] Fate Reforged the player can activate mana

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{W} Destroy target artifact or enchantment

If you control an Urza's Power-Plant and an Urza's Tower

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands

put a corpse counter on Scavenging Ghoul for each creature that died this turn

Defense of the Heart [Urza's Legacy] Fate Reforged the player can activate manaSet: 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, put those cards onto the battlefield, then shuffle.