Whenever you expend 6, gain control of up to one target artifact for as long as you control Pyreswipe Hawk
Myra the Magnificent Im not a big fan of attractions or the Unfinity Un-set, but Myra the Magnificent offers value once it gets going
When you are color hosed, he can secure you a needed color (or more than one
Its pretty cheap in terms of cost versus best-in-class spells like Wheel of Fortune and the higher mana value arguably makes it more friendly for casual play
Its Bloodthirst ability lets it come in with +1/+1 counters based on damage dealt to your opponents, and its Enrage effect lets it deal damage to an opponent, each time it takes a hit, unless they sacrifice a (non-token) creature
If you play Insight Engine with a Surge Conductor already in play, you can draw two cards right off its first activation