Defense of the Heart [Urza's Legacy] Zendikar Promos Set: Arabian Nights Type: Creature

Set: Arabian Nights Type: Creature — Fish Rarity: Rare Cost: {4}{U}{U}{U}

Set: Worldwake Promos Type: Instant Rarity: Rare Cost: {X}{R}{R}

Set: Limited Edition Alpha Type: Creature — Spirit Rarity: Rare Cost: {B} Flying (This creature can't be blocked except by creatures with flying or reach

Set: Aether Revolt Prerelease Promos Type: Artifact Creature — Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1/+1 counters on it

As Steam Vents enters the battlefield

Defense of the Heart [Urza's Legacy] Zendikar Promos Set: Arabian Nights Type: CreatureSet: 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.