Go get em: This is an ongoing ability that will give any alien character Challenger +2 and the ability to challenge ready characters on the same turn
There are pretty clear lines between the ones youll want to play and the ones thatll live in your bulk boxes, but you cant deny that Magic designers have figured out how to balance big, imposing, costly creatures since the first Leviathan
Just look at this How does one evaluate a card like this in a draft where you can also open Sol Ring, Swords to Plowshares, Flash, Ancestral Recall, The One Ring, Ragawan, Force of Will, Lightning Bolt and all the other very, very powerful cards that are in the Vintage Cube
They were against it, but the frame existed, so when we made hybrid, I suggested we use the abandoned multicolor frame