In this Precon, though, the other two cards that enable you to put infinite counters on your Walking Ballista are Hardened Scales and Gatta and Luzzu
Claws Out is a combat trick that can give all of your creatures a buff, and it gets cheaper the more cats you control
This includes mono-blue Commander decks, which often focus on this color's strengths: card draw, countermagic, bouncing permanents, and flying threats, for example
I also appreciate how the more creatures you touch with this, the less likely it is to survive the fight
That means you can plop it on a Creature to give that Creature all of those abilities and +4/+4, which is pretty spicy on the right cards
(Put the top two cards of your library into your graveyard.) 2/1 Title: Death Baron Cost: 1 Generic, 2 Black Mana Creature Zombie Wizard Skeletons you control and other Zombies you control get +1/+1 (Any amount of damage they deal to a creature is enough to destroy it) 2/2 Title: Hungry Ghoul Cost: 1 Generic, 1 Black Mana Creature Zombie 1 Generic mana, Sacrifice another creature: Put a +1/+1 counter on this creature