What I found innovative is that its not just the illustration itself, but the entire card that has been adapted and incorporated into the design
The best way to describe them is the energy of a bidding war at the end of an eBay auction, but with the seller actively participating in the experience
2/4 Illustrated by Dave Kendall
Modular 1 "Modular N" means "This permanent enters with N +1/+1 counters on it" and "When this permanent is put into a graveyard from the battlefield, you may put a +1/+1 counter on target artifact creature for each +1/+1 counter on this permanent." If this creature gets enough -1/-1 counters put on it to cause its toughness to be 0 or less (or the damage marked on it to be lethal), modular will put a number of +1/+1 counters on the target artifact creature equal to the number of +1/+1 counters on this creature before it left the battlefield
You can see why the EX and baby partner up so well - activate the EX's Steam Up to throw Energy away and hit with the baby's Power Heater for an increased 50 while reattaching said Energy to somebody else
Legion Guildmage, Boros Guildmage, is a solid example of where to start
