Aether, the Evil Empowering Dragon X DARK Level 6 [ DragonPendulumEffect ] ATK 2300 DEF 1600 P Scale 4 Once per turn: You can banish 1 "Empowered Warrior" monster from your Graveyard, then target 1 card on the field
Afterwards, damage is calculated based on the monsters Attack (ATK) and Defense (DEF) stats
Seismitoad SIR #105 ($211.51) Water/Ground ex (280 HP, Earthquake) 18% appreciation
The cards you select, their synergies, and even the tech cards you include can significantly influence your deck's performance
Along with all of that, they also read, Whenever a nontoken creature you control dies, if it had counters on it, create X tapped 2/1 white and black Inkling creature tokens with flying, where X is the number of counters it had on it. This is constant fodder for your mentor ability, so you should always have a steady stream of flying threats
While that alone likely isnt worth the investment, it comes with a strong ability attached