Ezuri, Claw of Progress experience counter ability gives a creature X +1/+1 counters at the beginning of combat, and Ezuri gains experience counters whenever a creature with power two or less enters the battlefield
There are some delicious pies to be had here, however
Some continuous effects affect game rules rather than objects
The sets include primarily Blue and Black cards, although each color will have a few cards represented in this release
This means if an opponent is foolish enough to block a Deathtouch creature with multiple creatures of their own, you can usually tear through them all, assigning one damage to each, killing a number of monsters equal to your creature's power
For those of us that would be Spark Pentupling, theres a really sweet alternate art treatment available that I can tell will look awesome in foil