acetone mtg cards + foils = a good time How to make foil proxies

Apart from mutate cards to trigger that ability, I guess you could use Stuffy Doll and Brash Taunter, or fill your deck with cards that grant abilities to your commander like backgrounds and the legendary familiars (Kediss, Falthis, et al)

All you need to do is start

Its a hard line to walk, and it relies on keeping the dream of $200 Tarmogoyfs alive

Then choose an opponent

The thing is, if any of your other cats die, youll transform this card into a mighty planeswalker, so it gives all your other cats life insurance

Bartz & Gilgamesh from Final Fantasy V The chipper hero of Final Fantasy V comes with his steed Boko, and has an affinity for Birds, making him cheaper to cast the more Birds you have on the table