Splinter Twin + Pestermite / Zealous Conscripts This is also known as the Splinter Twin combo because the namesake enchantment works the same way as Kiki
Rather, a second "reflexive" ability triggers when you reveal a creature card this way
The top right shows his casting cost, which is , meaning it takes two green mana and one generic to put him into play
Chukov Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
When one of those abilities resolves, it will put counters only on Mutants, Ninjas, and/or Turtles that dealt combat damage to the appropriate player
Broadly speaking, more options make for better gameplay and deeper deck customization, but players should exercise caution and use these new cards with discretion