all full art cards pokemon pocket Ultra PRO Arcanine ex CG Full Art

There are a ton of cards under a buck that would immediately make an impact, so you really have your pick

Basically, it turns whatever creature you want into a vassal to the crown, with the rider that they cant attack you (the controller of the Aura)

While this has been one of the more dominating decks in the Standard format, Sunpearl Kirin makes it so much more reliable

10 Mirkwood Bats Token Burn In a Rat commander deck, you are likely going to be generating a ton of Rat tokens

Sadly, while its fairly easy to build this decks mana base, the rest of the deck is more difficult

If anything, it probably wants them to, and Garna, Bloodfist of Keld is a perfect representation of that