If youre playing a deck that turns creatures sideways, you can almost always enable the cost reduction
Creature - Dragon Color tag templates(None) Hellkite Tyrant Flying, trample Whenever this creature deals combat damage to a player, gain control of all artifacts that player controls
The exact split across all rarities are listed in this blog on the official MTG website
Kellan, the Fae-Blooded Boros is the color combination you likely want to be in if you're playing an equipment deck, and the archetype is getting a new general hereand a spicy, rather adventurous one
Stiltzkin, Moogle Merchant From a pure power level, Stiltzkin probably should be even lower, but the moogle merchant is an interesting donating card that could open up some fun play for people, and isnt something we see too much of