Decidueye ex Greninja Deck Guide
WaterDecidueye ex Greninja is a Pokémon TCG Pocket archetype that generally aims to set up Frogadier alongside Greninja as its main attacker, supported by Water energy. Based on 8 recent tournament lists.
Deck List
Pokémon (10)
Frogadier
Greninja
Decidueye ex
Froakie
Rowlet
Dartrix
Elekid
Trainers (10)
Professor's Research
Copycat
Poké Ball
Rare Candy
Hiking Trail
May
Energy
Source decklists
Source decklists referenced for this guide:
Strengths
- Highly consistent core: Frogadier appears in nearly every tournament list, so the build has a settled identity.
- Clear win condition built around Frogadier paired with Greninja, so lines of play are easy to rehearse.
- Single-type Water energy keeps attachments efficient and rarely bricks on the wrong type.
- Built from 8 tournament lists across 8 events, so the consensus reflects real competitive play rather than ladder theory.
Weaknesses
- Needs its evolution line on board; a slow opener can leave the deck without a fully powered Frogadier.
- Predictable single-type Water energy lets opponents plan blockers and resistance once your attacker shows up.
- Disruption Supporters like Cyrus and Sabrina chain knockouts against the benched Pokémon this deck needs to keep alive.
- Stage 1/2 Pokémon in the list take an extra turn to come online — pure-Basic decks can race you before Frogadier attacks.
Key Matchups
- Aggressive Basic-only decks Even
- Mirror or other Frogadier lists Even
- Disruption / Cyrus + Sabrina decks Unfavored
Strategy Overview
Common builds of Decidueye ex Greninja aim to evolve into Frogadier and Greninja as quickly as possible, then trade prizes through repeated knockouts. The deck leans on Water energy attachments each turn, with draw Supporters and search items to find the key pieces. The list shown here is a consensus across 8 tournament decklists (top card appears in nearly every tournament list, average 1.00 copies).
Gameplay Video
Key Cards
Frogadier
appears in nearly every tournament list (average 1.00 copies). Core part of the archetype's engine.
Greninja
appears in nearly every tournament list (average 2.00 copies). Core part of the archetype's engine.
Decidueye ex
appears in nearly every tournament list (average 1.00 copies). Core part of the archetype's engine.
Froakie
appears in about 63% of tournament lists (average 2.00 copies). Core part of the archetype's engine.
Early Game
On turn one, prioritise finding Frogadier or Greninja and getting a basic on the bench so you can evolve next turn. Use Professor's Research or Poké Ball aggressively if your opener is weak. Avoid attaching Water energy to a Pokémon that will never attack.
Mid Game
By the mid game, Frogadier should be online with a back-up attacker on the bench. Sequence knockouts so each attack sets up the next. Use Cyrus to drag damaged opposing Pokémon active, and Sabrina to force unfavorable switches.
Late Game
Late game, count remaining prizes and build the exact line that closes the game. If ahead, deny the comeback with Sabrina; if behind, look for a single-turn knockout chain through Frogadier.
Card Replacements
Frogadier appears in nearly every tournament list and defines the archetype. If you cannot craft it, consider a different deck rather than substituting.
Iono is the closest universal draw Supporter if you are short on Professor's Research, though it trades raw card quantity for a hand reset.
Pokémon Communication swaps a Pokémon in hand for any from the deck — useful if Poké Ball's random pull is unreliable for this build.
Common Mistakes
- Benching Frogadier before you can protect it, letting the opponent snipe your main attacker.
- Attaching Water energy to a Pokémon that will not attack this game.
- Spending Cyrus or Sabrina too early when they would close a prize two turns later.
- Auto-attacking the active Pokémon instead of sequencing knockouts with Sabrina/Cyrus.
- Burning Professor's Research with a full hand and losing closing-turn resources.
Tips & Tricks
- Mulligan aggressively for Frogadier or Greninja in the opener.
- Bench every basic you intend to evolve as early as possible — empty benches lose tempo wars.
- Track prize counts carefully; this deck usually wants to chain knockouts in the mid game.
- If you fall behind on board, pivot to a single-prize attacker and rebuild rather than giving up a multi-prize knockout.
Frequently Asked Questions
What is the Decidueye ex Greninja deck in Pokémon TCG Pocket?
Decidueye ex Greninja is an archetype built around Frogadier and Greninja, using Water energy. This guide is built from 8 real tournament decklists across 8 events.
Is Decidueye ex Greninja good right now?
Based on current tournament lists, Decidueye ex Greninja appears regularly in competitive play. We do not claim a win rate — refer to the tier list for current placement.
What are the key cards in Decidueye ex Greninja?
The most-played cards across tournament lists are Frogadier, Greninja and Decidueye ex. The list usually runs around 6 different Trainer cards for consistency and disruption.
What energy does Decidueye ex Greninja use?
Most lists run Water energy.
Where does this guide's data come from?
This is a generated draft based on 8 tournament decklists imported from Limitless. The card list reflects what appears most often in real competitive play, not a fixed recipe.
How This Deck Guide Was Generated
This guide is based on 8 tournament decklists across 8 tournaments imported from Limitless. The decklist shown reflects the most common competitive build at the time of generation.
