mtg commander vampire deck How to Build a Vampires in EDH | Deck Driver put a +1/+1 counter on each Vampire you control Crimson Vow Commander Upgrade Guide:

One of the most powerful cards in the deck is Bloodbraid Marauder

If a copy is created, you control the copy

Dredge is on hand to bring back any crucial lands, and it opens up plenty of interactions that keep The Necrobloom's tokens-and-landfall schtick feeling interesting

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I guess 2 damage a turn is just twice as much as 1, isnt it

Eagle of Deliverance bulk There are blessed few ways to put an indestructible counter onto a creature in these three colors, and the Eagle is an expensive but useful way to do it