mtg all cards are artifacts Elite Artifact Deck - Modern Legal - Custom Built - Magic The Gathering - and put it into your hand. Mycosynth Lattice - Judge Promos

Hero's Blade gives a creature +3/+2, and anytime a legendary creature arrives, the Blade may be equipped to it for free, and there are more than a few legendary Cats that may appear in this deck, aside from Arahbo itself

Biosynthic Burst

Ward is a newer Keyword that makes players now pay the listed amount of mana (or take another action such as discardning) whenever a spell or ability would target the creature

Cavalier of Night Next up with the Cavalier cycle, Cavalier of Night is a pretty good removal spell if nothing else

The triggered ability is very weak, essentially all you do is get tempted by the ring and get a +1/+1 counter, very rarely will you even draw a card

A bit of an easy take on your theme, but why don't you play some Shapeshifters as a way to have more Surrakar