I was thinking they'd have a built in catapult ability.
Cute though, can you imagine your dragon deck losing to one built around cats and mice?
They may not have it built in, but they would automatically "volunteer" to be first in line
Actually, their high HP and low cost make the unupped versions decent candidates.
-> Fracta-Cata-Lemming ... might be tricky to get the quanta balance right, but could be fun.
Fractal lemmings actually makes an almost perfect single-target CC counter.