Except for the feel
While its stats aren't much to write home about, thanks to its Landfall ability, whenever a land enters the battlefield under its owner's control, its owner may gain control of the target creature for as long as Roil Elemental remains in play
You can only really leverage an extra card, politically, and not the other effects so much
Given that the only new mechanic is Resist, theres only the slightest rise in complexity over The First Chapter in general
Youd use your spells and abilities to deal direct damage to this bird spirit, draw that many cards, and do it again
As a reminder, the Game Changers list does not address some cards that fall under restrictions in some tiers like Winter Orb, Blood Moon, and Time Warp