The Walls of Ba Sing Se [Avatar: The Last Airbender] Infinity Stone put a +1/+1 counter on

put a +1/+1 counter on each of up to two other target legendary creatures

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{U}{U} You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost

Set: Arabian Nights Type: Creature — Zombie Rarity: Uncommon Cost: {2}{B} At the beginning of each end step

enter the first room or advance to the next room

When Subtlety enters the battlefield

The Walls of Ba Sing Se [Avatar: The Last Airbender] Infinity Stone put a +1/+1 counter onSet: Avatar: The Last Airbender Type: Legendary Artifact Creature Wall Rarity: Mythic Cost: {8} Defender Other permanents you control have indestructible. "That is why the city is named Ba Sing Se. It's the 'impenetrable city.'" General Sung