mtg crimson vow commander deck list Innistrad: Amazon.com: Magic: The Gathering Innistrad:

Illustrated by Ovidio Cartagena Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp

On top of that, it reads: At the beginning of your next main phase, add an amount of colourless mana equal to that spells mana value." Basically, not only do you get to say no to something, you also get to cast something bigger on your next turn

While the idiom "for the birds" means something worthless, useless, or trivial (stemming from World War II slang referencing birds eating horse manure), in this case the expression matches in the literal sense

Black Market Connections is a huge pick-up, Malcolm, Keen-Eyed Navigator is a known cEDH contender, and the deck has a couple notable combo enablers like Pitiless Plunderer and Timestream Navigator

though, might be the non-Cat cards

In a setting that is currently dominated by control decks using sweeping board wipe effects to slow the game, this should provide a real burst of energy to the meta