Getting to blink a creature twice would already be good, but many Magic cards have powerful end step triggers we can maximize by getting them twice
Even something as simple as Syphon Soul would let a 6-mana spell cascade in a 4-player game
The creatures are big and synergize with artifacts and the graveyard, like Gurmag Angler, Myr Enforcer, and Kenku Artificer
First up, we have general mono-color payoffs
Cycling is just one of the best mechanics they have ever added to the game, perhaps only behind scry, and we don't see it enough
These bonus wildcards arrive independently of your track progress, meaning you can receive both a random wildcard and advance your track from the same pack