mtg 4 color cards Avatar: The Last Airbender Magic The Gathering Commander Deck - Aang's Allies - 5 - EDH cEDH - 100 Card - Custom Deck Creature Elf Wizard The 5 Best Red/Green/White/Blue Commanders

All in all, Kess is perhaps the best Grixis commander in Magic

Is it enough better to be a competitive card in Historic

These cards have not been legal in Commander for a long time (originally being banned between 2005 and 2009), and a lot has changed in both Magic and Commander since

Seriously though, proliferate is one of those abilities that just gets stronger and stronger as new proliferate cards and new types of counters are added to the game

The fact that you can blink Custodi Lich with cards like Restoration Angel and Ephemerate to retrigger its sacrifice and monarch abilities is a huge upside in BW decks

Whenever you mill a card, you mill twice that many cards