Sentry Bot (Extended Art) [Fallout]

Set: Fallout Type: Artifact Creature — Robot Rarity: Rare Cost: {4}{W} FlashThis spell costs {1} less to cast for each creature attacking you.When Sentry Bot enters the battlefield, you get {E} for each creature attacking you.At the beginning of combat on your turn, you may pay {E}{E}{E}. If you do, put a +1/+1 counter on each creature you control.