[Expanded] 1-hit-KO deck (Mega Feraligatr ex and Rapid Strike Inteleon)

With Rapid Strike Inteleon and Mega Feraligatr ex ready, Feraligatr can do up to 400 damage (if your opponent's Active Pokémon have already taken damage), which exceeds the maximum HP for a Pokémon (380). Beware of a 1-hit-KO!

(This deck comes with my strategy for main cards.)

Note. The expansion names will be abbreviated below:

• MEW — "151"
• DRM — Dragon Majesty
• FST — Fusion Strike
• MC — (Japanese expansion) Start Deck 100 Battle Collection
• TEF — Temporal Forces
• MEG — Mega Evolution
• SSH — Sword and Shield
• CRE — Chilling Reign
• GRI — Guardians Rising
• RCL — Rebel Clash
• WHT — White Flare
• ASR — Astral Radiance
• VIV — Vivid Voltage
• SUM — Sun and Moon
• MEE — Mega Evolution Basic Energy

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Deck list:

Pokémon: 24
2 Lapras MEW 131 — can search your deck for 2 Pokémon each turn, especially when Timer Ball doesn't work.
3 Totodile DRM 22
2 Croconaw FST 56
2 Mega Feraligatr ex MC 169 — does up to 400 damage to your opponent's damaged Active Pokémon. Released for Ascended Heroes at the end of January.
2 Keldeo TEF 44 — draws cards.
2 Crabominable V FST 76 — the more damage your opponent's Active Pokémon has taken, the more damage Crabominable can do.
3 Sobble MEG 39
2 Drizzile SSH 56 — when Sobble evolves into this Pokémon, it can search your deck for a Trainer card.
2 Inteleon CRE 43 — can put 2 damage counters on any of your opponent's Pokémon.
2 Snom MEG 42
2 Frosmoth SSH 64 — can quickly attach Water Energy cards to your Benched Pokémon.

Trainer: 20
2 Brooklet Hill GRI 120 — replaces Nest Ball.
2 Capacious Bucket RCL 156 — finds Energy.
4 Cheren WHT 81
2 Irida ASR 147 — searches for Water-type Pokémon and Item cards. Was very useful in Standard Water-type decks.
2 Nessa VIV 157 — quickly retrieves Water-type Pokémon and Basic Energy.
2 Opal VIV 158 — searches for any other cards with fortune.
2 Ordinary Rod SSH 171
2 Switch Raft DRM 62 — Switch + Potion.
2 Timer Ball SUM 134 — searches for Evolution Pokémon.

Energy: 16
2 Wash Water Energy VIV 165 — prevent effects such as damage counters (not actual damage), Special Conditions, retreat lock, attack lock, etc.; except damage; done to the Pokémon this card is attached to.
14 Water Energy MEE 3

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That's just Sun and Moon cards onwards. I'm not very sure that this deck can be used in TCG Live, but it will make an impression to your opponents. Feel free to try if you want to!