Artifact - Flash <CR> All creatures have shroud. (They can't be the targets of spells or abilities.) <CR> At the beginning of your upkeep, sacrifice Smoke Bomb. When you do, target creature you control can't be blocked this turn. | Artifact - Flash <CR> All creatures have shroud. (They can't be the targets of spells or abilities.) <CR> At the beginning of your upkeep, sacrifice this artifact. When you do, target creature you control can't be blocked this turn. |