Bennie Bracks, Zoologist Bennie Bracks, Zoologist is a pretty darn expensive MTG card right now, which may go some way to revealing what a fantastic card draw option it is for white decks
This type of deck benefits immensely from removal spells that help its creatures get into the red zone and deal damage to opponents to trigger their abilities
As it is, the Hedrons feel almost cartoon-y in comparison, and it doesn't quite work as a whole piece
There are game stores that have card 'bins' for a wide variety of card games
For example, if you control The Ozolith ("Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith.") when Zack Fair's last ability resolves, you'll put the appropriate number of each kind of counter onto both The Ozolith and the target creature.