I think it will probably prove to be a bit too slow to make the cut in most item decks
Although, were stretching the traditional MTG color pie here
Giant Harbinger is a simple red five-mana 3/4 that reads, When Giant Harbinger enters the battlefield, you may search your library for a Giant card, reveal it, then shuffle and put that card on top. Of course, its even better if you can quickly draw that card, and Aegar, the Freezing Flame is a three-mana blue and red 3/3 that basically lets you draw cards if you deal too much damage to a creature or planeswalker using a Giant
Brand new and sealed boosters
Dramatic Scepter decks combo it with Dramatic Reversal, but as one of the best imprint cards in the game the Scepter can still be a problem with a counterspell or removal spell tucked underneath it
So perhaps more design space in energy is to come