Dr Zackary, Secret Mastermind

Shroud, First Strike, Reach

When this card enters the battlefield Create a 6/5 "Corrupted Guardian" Legendary creature tokens with the following effect ({4} Destroy one permanent your opponent controls). When this card leaves the battlefield remove it from the game instead then exile one "Dr Zackary" from your hand or library then play it from exile without paying it's mana cost at the beginning of the next upkeep.