mtg commander deck size 2020 All Five Decks — Twenty Sided With dimensions of 3.2L x 3.1W x 4.2H Card stock Commander sized box

To learn everything about black, I'd suggest checking out this great piece by Mark Rosewater

It doesn't matter if those Goblins are still on the battlefield as it resolves

Mono blue frequently empowers combo decks, such as Urza, Lord High Artificer whose commander deck power level can creep into CEDH

Ulamog's Crusher doesn't even see play in Tron decks these days and hasn't for a long, long time

The game plan is pretty simple: Use the bountiful sources of colorless ramp out turbo into the countless bomb payoffs

What makes it especially good is the inevitability: left unchecked, it snowballs into an unstoppable army without costing you more cards in hand