mtg bloomburrow squirrel cards Cache Grab (To forage “Squirreled Away” Full Deck Reveal

You won't have the option to make it an Aura

Bolas' combo synergy and restrictive mana cost means he's well-suited to a multicolor PW deck where he has access to any number of juicy loyalty abilities, and to enablers like Oath of TeferiOath of Teferi, Ichormoon GauntletIchormoon Gauntlet, The Chain VeilThe Chain Veil, and more

To add to that, red also provides Goblin Dark-DwellersGoblin Dark-Dwellers and Past in FlamesPast in Flames, which dont return cards back to hand but act as RegrowthRegrowth effects in their own ways

Gitaxian Probe is in a similar camp

In this 28-artifact build by Taldoitalo, which reached the Top 8 of a Standard Challenge, it fixes the mana for all your artifact spells across all three colors

Enchantment Color tag templates(None) Up the Beanstalk When this enchantment enters and whenever you cast a spell with mana value 5 or greater, draw a card