Adaptation / Adapt Dice

Random Dice 2

Wildcard merger that combines with any die of the same pip count (RD1 Mimic equivalent), on a cooldown.

In Random Dice 2

Decks with Adaptation / Adapt

Predation attacker

Random Dice 2Co-op

Predation scales damage with kills, Decay amplifies damage taken, and Summon, Growth and Adaptation keep pips rising and the board tidy. Aimed at deep co-op waves.

Source: jpgamez.com

Gear starter

Random Dice 2Early game / general

Electric holds the early waves, Gear becomes the main damage, Alchemy buffs, and Summon and Adaptation keep merges flowing.

Source: ggene.site

Electric (JPGameZ)

Random Dice 2Co-op

Easier to run than Predation. Light speeds up Electric and Decay boosts its chain damage.

Source: jpgamez.com

Predation (Light)

Random Dice 2Co-op

The most-cited co-op deck in the five guides gcouponplay compared.

Source: gcouponplay.com

Electric (Summon)

Random Dice 2Co-op

Cheapest to unlock, needing only two tree branches.

Source: gcouponplay.com

YinYang alignment

Random Dice 2General

YinYang needs rows and columns lined up, so Switch is required for positioning.

Source: gcouponplay.com

Sun

Random Dice 2Co-op (Hard)

Hard-mode damage from Sun dice upgraded from Fire, supported by Light and Decay.

Source: gcouponplay.com

Combo

Random Dice 2General

Combo grows with merges, Summon supplies merge material, and Saw Blade handles early waves. 'Crack' is not in any RD2 tree list we found and may be a mislabel.

Source: osworlds.co.kr

Gear (Saw Blade)

Random Dice 2General

Gear is the main damage and needs fewer merges than Combo, which suits beginners; Switch adjusts Gear positions.

Source: osworlds.co.kr

Electric Alignment

Random Dice 2Unspecified (dealer deck)

Community deck post. No reasoning was given.

Source: gall.dcinside.com

Mutation

Random Dice 2Unspecified (dealer deck)

Community deck post. No reasoning was given.

Source: gall.dcinside.com

Alignment support

Random Dice 2Co-op support role

Community support-role deck that buffs the partner. No reasoning was given.

Source: gall.dcinside.com

Atom support

Random Dice 2Co-op support role

Community support-role deck. No reasoning was given.

Source: gall.dcinside.com

Other dice

Alchemy Alignment Atom Blessing Decay / Corruption Doom / Ruin Execution Extreme Dice

Sources: oslink.io, w.atwiki.jp, ggene.site, gall.dcinside.com