This would be good even if it could never transform, and transforming it is actually very doable, since it spits out Wizard tokens and is a Wizard itself
Aetherflux Reservoir can fill a similar role
These drastic ping spikes are your enemy when it comes to online games and latency-sensitive applications where real-time interaction is expected
Honestly, the only real problem youd have is figuring out how to get no maximum hand size when limited to black-green
This only works once, since the creature is transformed into an Angel, but youre also in white so there are plenty of ways to flicker those creatures to reset them, or even reanimate them with some type of spell to never let them die
Naturally, Gilgameshs equivalent in Magic: The Gathering is all about swords