In fact, any modal double-faced permanent that is instructed to transform now can, although only the new ones in this set come with built-in ways to make that happen
Creatures (26) 2 Verdurous Gearhulk 4 Winding Constrictor 4 Rishkar, Peema Renegade 4 Walking Ballista 2 The Scarab God 2 Herald of Secret Streams 4 Merfolk Branchwalker 4 Vineshaper Mystic Lands (22) Spells (12) Now, we probably dont actually want Vineshaper Mystic, as its probably just too much worse than Rishkar, Peema Renegade while asking a lot more of us
The cards ability lets players replicate any artifact currently on the field, either from the players side or the opponents side
Whatever the case may be, we'll be keeping an eye out, to see if other Warhammer 40k MTG cards go up in price over the next few weeks
Yes, you can mutate multiple times on the same permanent
Alongside this substantial change, Wizards of the Coast is further changing up the typical ban schedule