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

Ally of Zendikar becomes a 5/5 Human Soldier Ally creature with indestructible that's still a planeswalker

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

Destroy that creature at the beginning of the next end step

Set: Mercadian Masques Type: Legendary Creature — Goblin Rarity: Rare Cost: {2}{R} At the beginning of your upkeep

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.