They deal damage whenever one or more counters are placed on a creature you control, so modulars combination of an initial burst of counters and death trigger means you can burn out your enemies quickly
While subjects that fade into the background typically don't capture our attention, this scene perfectly fits Ditto's schtick, so it works
Jackdaw Savior provides recursion, Errant and Giada and Tide Skimmer grant card advantage, and you can get protection with Jubilant Skybonder and Sephara, Sky's Blade
At the beginning of combat on your turn, create a Food token
It works best with types like elf and human that have a deep pool of cards to draw on for a toolbox
No, the bulk of the blame lies at the feet of a huge wave of new scalpers and scammers who have cottoned on to the fact that they can potentially make a quick buck from the Pokemon TCG