Mega Altaria ex Greninja Deck Guide
PsychicPsychic toolbox build pairing Mega Altaria ex's Mega Harmony bench scaling with Greninja's Water Shuriken chip damage and Giratina's free-retreat utility.
Deck List
Pokémon (8)
Mega Altaria ex
Swablu
Giratina
Greninja
Froakie
Trainers (12)
Meloetta
Copycat
Professor’s Research
Cyrus
Rare Candy
Poké Ball
Protective Poncho
Giant Cape
Energy
Source decklists
Source decklists referenced for this guide:
Strengths
- Mega Altaria ex's Mega Harmony hits 40+30 per benched Pokémon — up to 190+ damage
- Greninja's Water Shuriken pings 20 damage every turn without Water energy attached
- Giratina has free retreat thanks to Levitate
- Meloetta's Strange Singing disrupts the opponent's active spot
Weaknesses
- Greninja is a Stage 2 — needs Froakie and Rare Candy
- Mega Altaria ex is a 2-prize liability
- Vulnerable to Metal counters
- Bricks without a wide bench for Mega Harmony scaling
Key Matchups
- Wide bench decks Favored
- Single-prize aggro Favored
- Metal aggro Unfavored
- Stage 2 setup decks Even
Strategy Overview
Open Swablu and Froakie, bench Giratina and Meloetta and attach Psychic energy. Chain Professor's Research / Copycat / Cyrus to dig for Rare Candy and evolve into Greninja for free Water Shuriken pings. Mega Evolve into Mega Altaria ex with a wide bench to swing Mega Harmony for 130+ damage. Detailed matchup data will be updated as the format develops.
Gameplay Video
Key Cards
Mega Altaria ex
Main attacker — Mega Harmony deals 40 plus 30 per benched Pokémon.
Greninja
Free chip — Water Shuriken pings 20 damage to any opposing Pokémon each turn.
Giratina
Pivot — Levitate gives it free retreat with any energy attached.
Meloetta
Disruption — Strange Singing pulls a random opposing Pokémon active.
Cyrus
Pulls a damaged opposing Pokémon active for a closing knockout.
Early Game
Bench Swablu, Froakie, Giratina and Meloetta, attach Psychic energy and chain draw Supporters.
Mid Game
Rare Candy into Greninja for Water Shuriken pings while Mega Evolving into Mega Altaria ex with a wide bench.
Late Game
Close with Mega Harmony 130+ swings backed by Cyrus pulls and Meloetta disruption.
