Aether Swooper : Creature (Vedalken Artificer), casting cost of one generic and one blue mana, 1/2
It starts small and dies to almost all removal spells, but you can quickly build an army of creatures with +1/+1 counters if you keep sacrificing permanents
As such, all supporter cards can be a benefit in battle - but a few rise far above the rest
Sorting a marketplace by highest price first gives you a clean view of everything from grails down to the chase cards you can actually afford
Here, if you have the right cards for the right lane, they pop off
This is predominently found in Ratigan, Raging Rat and Ratigan's Party, Seedy Back Room , but John Silver, Ferocious Friend can enable it very easily, while Amber Chromicon can quickly heal damage from all of your characters for when it comes time for challenging