- The Abacus is, naturally, stronger in smaller decks, since you will shuffle more often.
- It combos with any effects that cause you to shuffle your deck, including Deep Breath and Reboot; both cards become extremely powerful once you have it.
- Weekly Patch 47: Metamorphosis
- Reboot and Deep Breath cards no longer trigger shuffle-based relics twice.
- Weekly Patch 44: Chrysalis
- Localization: Mutagenic Strength, Meal Ticket, and Abacus now support more flexible descriptions.
- Weekly Patch 32: Face Trader
- Adding shop relic The Abacus.
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