A Voltron build would be more appropriate here, stacking auras and equipment on your commander and beating down
The Seriema comes to mind as a potential home for Search for Dagger, assuming you can reliably Station The Seriema and start attacking
Dont forget that Chromium can benefit from modifications like auras or +1/+1 counters even though static abilities are lost when the activated ability resolves
The following mechanics first appeared in Legions: Amplify - As a creature with Amplify came into play, its controller could reveal creature cards from their hand that shared a type with it to add % 2B1/% 2B1 counters
Having a lot of creatures on the board is a surefire way of utilizing the power of Craterhoof Behemoth A 5/5 body is already a good thing to have but adds a +X/+X counter to it, and every other creature you control, then you will have a million damage on the board This is a good card to have in ramp decks as well as decks that can cast cards without paying mana costs 8
Very fun and educational hence its place at the end