Gen 9 NU Calm Mind/Cosmic Power
Deoxys-Defense @ Grassy Seed / Leftovers
Ability: Pressure
Tera Type: Fairy / Poison / Steel
EVs: 252 HP / 80 Def / 176 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind / Cosmic Power
- Stored Power
- Taunt / Focus Blast
- Recover
Deoxys-Defense recently dropped to NU (what losing Toxic and the Recover nerf does to it), so here is a Calm Mind or Cosmic Power set it can use there. You can use this either in or outside of Grassy Terrain teams. Calm Mind allows to Deoxys-Defense to boosts its Special Attack and Special Defense stats, allowing it to tank special hits while boosting its offensive presence. You can use Cosmic Power instead to boost both defenses to make it harder for physical and special attack to take out Deoxys-Defense. Stored Power is the STAB move for the set since it takes advantage of the stat boosts Deoxys-Defense get with Calm Mind/Cosmic Power. Taunt allows Deoxys-Defense to shut down defensive counterplay to stop it. Taunt prevents opposing Pokemon from setting up alongside it to break past it, status from crippling it, using phasing moves such as Roar and Whirlwind, and using Trick to cripple Deoxys-Defense. If you use Calm Mind for the stat boosting move, you can use Focus Blast to hit Dark-types such as Brute Bonnet, Incineroar, and Umbreon super effectively so you have a way to hit them. Recover is used to give Deoxys-Defense reliable HP recovery so it can stay around longer.
The item you use depends on if you use this set on Grassy Terrain teams. If you do use this on Grassy Terrain teams, use Grassy Seed as the item, as it gives Deoxys-Defense a defense boost when sent out in Grassy Terrain. If you use Grassy Seed, I recommend using Calm Mind for the stat boosting move. If you use this set outside of Grassy Terrain teams, use Leftovers so Deoxys-Defense can have some HP recovery each turn.
There are are few Tera Types Deoxys-Defense can use. Tera Fairy allows Deoxys-Defense to resist Dark moves while resisting Fighting moves. Tera Poison and Tera Steel can be used instead to give Deoxys-Defense decent defensive typings that grants an immunity to Toxic and posion, with Tera Poison allowing Deoxys-Defense to still resist Fighting moves.
252 HP EVs are used for bulk. 176 Speed EVs with a Timid Nature allows Deoxys-Defense to outspeed Chandelure so it can Taunt it to prevent it from tricking its Choice Specs (Just pray it isn't Scarf Chandelure you're facing) or setting up alongside you with Calm Mind. The rest of the EVs are used in Defense to give Deoxys-Defense a little physical bulk.