Sure, they are card disadvantage, but they are allowed to stay, and theres something to be said for not having a threat profile, and let the others blast each other, and then rise above the masses
Thus, as soon as a full-fledged MTG deck is typed, the store will provide it for free borrowing in the store or donate them to worthy causes
Whereas most Sieges have two modes, the effect you get when you play them, and the reward you get when you defeat them, Invasion of Gobakhan has three
While his output on the tabletop has rarely slowed since Magic, Garfield has recently embraced the potential of digital games, both working on digital-only card games - including the pre-Hearthstone evolving card game SolForge and Artifact, a spin-off from hugely popular PC game Dota 2 - and pioneering the use of algorithms in making innovative physical card games