ATTRIBUTE: SPELL
CARD TYPE: Normal Spell
DESCRIPTION: Pay 2000 LP; Fusion Summon 1 Fusion Monster from your Extra Deck, using 2 monsters you control as Fusion Materials. Neither player can activate cards or effects in response to this card's activation. You can banish this card from your GY, then target 1 Fusion Monster that was Fusion Summoned with this card's effect; Special Summon all the Fusion Materials used for its Fusion Summon from your GY, but change their ATK and DEF to 0, also they have their effects negated.

MORE FROM 2018 MEGA-TINS MEGA PACK

FULL SET →

Firewall Dragon

PRICE FAQ

What is Ultra Polymerization (2018 Mega-Tins Mega Pack) worth today?

Ultra Polymerization [1st Edition] has a TCGplayer market price of $1.60 as of 2026-09-17.

What is the all-time high price for Ultra Polymerization?

In TickerMint's daily data (since September 2026), the all-time high market price for Ultra Polymerization [1st Edition] is $1.62 (2026-09-16) and the all-time low is $1.60 (2026-09-16).

What would a seller actually net for Ultra Polymerization?

The TickerMint Estimate for Ultra Polymerization is $1.60. It is a fee-adjusted fair value blending TCGplayer and eBay data to estimate what a seller nets after marketplace fees.

how these numbers are computed →

DISCUSSION

make the call:

What's your read on this card? Start the thread.

GET THE WEEKLY DEEP DIVE

One email a week, every Thursday · unsubscribe anytime