This can come in the form of incidental damage (Sabotender), threat of activation (i.e., an aggro deck that can use Paladin's Arms to trade up its creatures over time), or snowballing incremental advantages from archetype payoffs
Chittering Harvester Significant value for the five mana, most of the time getting a three-for-nothing
Some of Hamms most memorable Magic art can be found in the Shadowmoor and Eventide expansions, where their unique style of portraying fantasy creatures could shine (as much as anything shines in the dark lands of Shadowmoor)
Even beyond the combos, Bartolom del Presidio becomes a ferocious threat quite quickly, especially considering its mana cost
Even better, instead of just putting two +1/+1 counters on one of your creatures, she puts two of those counters on all of your creatures
While the counter on its own is a one time thing, having this trigger at the beginning of combat and then the ability to get that creature back with haste for that same combat makes a very tight window for opponents to deal with your shenanigans