Pokémon (JP) SM12: Alter Genesis – prices and most valuable cards

SM12: Alter Genesis is a Pokémon (JP) set released on September 6, 2019. Our database lists 117 cards (set code: SM12).

Key facts

Game	Pokémon (JP)
Release	September 6, 2019
Code	SM12
Card count	117

Most valuable SM12: Alter Genesis cards

#	Card	No.	Rarity	Variant	Price
1	Mallow & Lana - 107/095	107/095	Super Rare	Holofoil	$150
2	Cynthia & Caitlin - 106/095	106/095	Super Rare	Holofoil	$142
3	Red & Blue - 108/095	108/095	Super Rare	Holofoil	$140
4	Naganadel & Guzzlord GX - 102/095	102/095	Super Rare	Holofoil	$115
5	Arceus & Dialga & Palkia GX - 112/095	112/095	Hyper Rare	Holofoil	$53.59
6	Mega Lopunny & Jigglypuff GX - 114/095	114/095	Hyper Rare	Holofoil	$48.02
7	Mega Lopunny & Jigglypuff GX - 103/095	103/095	Super Rare	Holofoil	$42.00
8	Arceus & Dialga & Palkia GX - 099/095	099/095	Super Rare	Holofoil	$36.53
9	Naganadel & Guzzlord -GX 113/095	113/095	Hyper Rare	Holofoil	$30.00
10	Guzma & Hala - 105/095	105/095	Super Rare	Holofoil	$29.10

TCGplayer market prices (US market) as of October 29, 2026 — for each card, its most expensive variant (e.g. holo, 1st Edition). Prices change daily and depend on condition — check the current price of a specific card and version in RipWorth.

Rarities in this set

Rarity	Cards
Common	43
Uncommon	32
Super Rare	13
Rare	10
Double Rare	6
Hyper Rare	6
Trainer Rare	4
Ultra Rare	3

FAQ

How many cards are in SM12: Alter Genesis?

RipWorth’s database lists 117 numbered cards in SM12: Alter Genesis (sealed products excluded).

When was SM12: Alter Genesis released?

SM12: Alter Genesis was released on September 6, 2019.

What is the most valuable card in SM12: Alter Genesis?

Based on TCGplayer market prices as of October 29, 2026, the most valuable card is Mallow & Lana - 107/095 (107/095, Super Rare) at about $150. Prices change daily.

All sets: Pokémon (JP) · Guide: pricing Pokémon (JP) cards · Pokémon (JP) is a trademark of its owner; RipWorth is not affiliated with it.