Heartfire Hero One red creature Mouse Soldier 1/1 Uncommon Valiant Whenever Heartfire Hero becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it
Whenever this deals combat damage, if you committed a crime this turn, you can sacrifice this to Demonic Tutor
It even deals double battle damage and combines with the other Mathmechs to make one-shot wins
Or maybe you got a bulk lot at such a good deal that even an auction sale will nab you good profit and youd rather have that capital in hand to do other things with
Morphtronic Bind X TRAP Continuous While you control a face-up "Morphtronic" monster, all Level 4 or higher monsters your opponent controls cannot declare an attack or change their battle positions
There's the 'wise elder' kind, a la Pocahontas and The Lord of the Rings' ents, and there's the slightly unsettling variety, with round, staring eyes and an off-putting expression