mtg exalted commander deck Custom Proxy - Sunborn Raiyuu, the Storm's Edge is

Squall, SeeD Mercenary Squall here is a solid creature, with what is essentially an exalted trigger for double strike, and can resurrect small creatures if he gets through making him a potentially large source of damage and card advantage

The Jumbo Cactuar on the other hand is like a Standard legal Infinity Elemental

You could, for example, easily go with Ray Easygoing Firefly and have more lore value, and cheaper cost with the same Evasive keyword

That includes tapping for mana

Maybe you werent getting mana screwed because you were unlucky, but because you only added 30 lands

Akiri, Line-Slinger & Armix, Filigree Thrasher - Both commanders benefit from you having lots of artifacts