yugioh heraldic beast cards Yu-Gi-Oh Card - WSUP-EN003 1200/1400 YU-GI-OH! - Heraldic Beast Basilisk

If you want to include Atraxa, Grand Unifier, just make sure your deck has a wide variety of card types, and that your color identity can support it, of course

Pokmon, which partly owned by Nintendo, has seen a resurgence in the past few years, due in part to the popular Pokmon GO augmented reality game

You will have access to more mana than them and slowing them down by making their mana rocks and lands come into play tapped should put you far enough ahead

Luckily, in a dedicated Merfolk deck you'll be producing all manner of Merfolk tokens and dropping plenty of one-mana Merfolk, which will, of course, be perfect fodder for using one of Kumena's abilities to annoy or harass an opponent