mtg urza commander deck The Brothers' War Urza, Chief Artificer Standard Protector Sleeves (100ct) for Magic: The Gathering Until end of turn Magic: The Gathering The Brothers'

Ok, so how do you selectively remove parts of a card

Phyrexian Crusader has infect and first strike and proc red and proc white, while the Phyrexian Hydra just needs trample to be a house and, finally, Reaper of Sheoldred fits like it was made for this deck, simply because it does the infect thing and it also has a poison counter tax effect for attacking opponents and as a 2/5 body it can take a bit of damage and then grin as it dishes out some poison counters for you to proliferate

If equipped creature attacks, use its power

It works best in a token-based shell with plenty of fodder to throw beneath your legendary creatures and enough bodies to maximize all the counters the Colonel spreads around

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