halloween themed mtg commander deck 5 Spookiest Commanders to Brew This Reaper King's Halloween Town, The

Transform Arlinn

Megatron The Transformers: Optimus Prime vs

The selling point of an effect like this is definitely the ceiling, and here the ceiling is a pre-combat trump card which produces lethal from far beyond the range your opponent expects for 1B

Balaam__ on looking for a very specific 2 months ago @KevinBacon I dont play EDH so take that into consideration as I offer this suggestion, but Mirror of Fate and Karn, the Great Creator come to mind as cards which allow you to interact with cards you own in Exile

And those were uncommons

Llanowar Elves and all the others (Fyndhorn Elves, Elvish Mystic, etc) do a good job of ramping your green mana, but there are actually some other great options at 1 CMC for mana making that aren't these traditional mana dorks