I dont think Garruk will have a big splash right away since he doesnt seem terribly well suited for a world full of Sphinxs Revelations, but I do think he has the potential to be a major player during his time in Standard
Breaking her physical and mental bindings, the shame and tempering from summoning Bahamut, they secure her aid
Ghostly Flame was the best answer to Circle of Protection Red and Black there would ever be, rendering all Red and Black permanents and spells colorless
(Well maybe for a little while, but as the Twilight Zone has taught us, never for very long.) Anyway, R&D realized that it annoyed players so we consciously chose to dial it back
Something that sets Moxfield apart from the rest of the crowd is the feature to analyze your list and make suggestions in conjunction with EDHREC
If a creature other than the creature with backup ends up as the target of both the backup ability and the copy, it will end up with two +1/+1 counters and it will gain the non-backup abilities twice