The commanders special because it starts in the command zone, a zone unique to the Commander format
Is it authenticating autograph (signature) only or is it assessing everything the artist puts on it
This cave taps for Green and can tap for three and a Green to let you look at the top 4 cards of the library
Foot Ninjas Shredder, Unrelenting Leonardo, Cutting Edge Donatello, Gadget Master Raphael, the Nightwatcher Michelangelo, Weirdness to 11 Mutant Melee This colorful yet chaotic scene from TMNT let artist Marija Tiurina add in all sorts of references, several on each individual card
Many excellent combat tricks, equipment, and creatures are able to give double strike to others, but I wont include them here to keep things simple
That's where this new system comes in