There is a 60-card Standard Brawl with a rotating card pool, you be the judge and take to social media if you want to sideboard in Brawl
When Antoine Ruel took my Critical Mass to Worlds, he added black to add those same three Cranial Extractions I played in every other winning strategy I made back then
Most decks will run Choice Beltand those that do tend to include 1-2 copies of the card
As long as you have enough artifact ramp or mana dorks, you can pay the cumulative upkeep cost for quite some time before having to sacrifice it
So, in a three-color deck built around red, white, and blue, aka the Jeskai colors, an Arid Mesa can fetch up a Raugrin Triome, which is a nonbasic land with the mountain, island, and plains types, and subsequently taps for all three corresponding colors
2: Create two 1/1 colorless Thopter artifact creature tokens with flying