Siege Dragon [Magic 2015] Ultra Rare Sacrifice another creature or artifact:

Sacrifice another creature or artifact: Until end of turn

Put a counter of that kind on Crystalline Giant

Set: XY: Base Set Type: Fairy Rarity: Common

Goblins Type: Creature — Elf Druid Rarity: Common Cost: {G} {T}: Add {G}

Set: Invasion Type: Creature — Phyrexian Minion Rarity: Common Cost: {3}{B} Flying

Siege Dragon [Magic 2015] Ultra Rare Sacrifice another creature or artifact:Set: Magic 2015 Type: Creature Dragon Rarity: Rare Cost: {5}{R}{R} Flying When Siege Dragon enters the battlefield, destroy all Walls your opponents control. Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.