Sandwurm Convergence [Amonkhet]

Set: Amonkhet Type: Enchantment Rarity: Rare Cost: {6}{G}{G} Creatures with flying can't attack you or planeswalkers you control.At the beginning of your end step, create a 5/5 green Wurm creature token. Cantankerous and territorial, sandwurms claim even the skies above their dunes.