Mnemonic Betrayal
Mnemonic Betrayal Price Summary
As of Aug 9, 2026, the cheapest tracked printing of Mnemonic Betrayal is $8.47 (GRN #189), and the most expensive is $88.05 (GRN #189, Foil). The benchmark price (cheapest playable nonfoil) is $8.47, up 0.2% over 7 days, down 1.9% over 30 days, down 18.6% over 90 days. All-time tracked high: $10.61 (2026).
Mnemonic Betrayal Printings & Prices
Mnemonic Betrayal has 1 tracked printing across 1 sets, in nonfoil and foil finishes.
Sell Mnemonic Betrayal: Buylist Offers
Card Kingdom currently pays $72.00 cash for GRN #189 (Foil); the retail-buylist spread on that printing is 60% (wide).
| Buyer | Printing | Finish | Cash offer | Retail | Spread |
|---|---|---|---|---|---|
| Card Kingdom | GRN #189 | Foil | $72.00 | $179.99 | 60% |
| CoolStuffInc | GRN #189 | Foil | $50.00 | — | — |
| Card Kingdom | GRN #189 | Nonfoil | $4.50 | $8.99 | 50% |
Mnemonic Betrayal Rules Text & Legality
Exile all opponents' graveyards. You may cast spells from among those cards this turn, and mana of any type can be spent to cast them. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards.
Exile Mnemonic Betrayal.
Mnemonic Betrayal is legal in Pioneer, Modern, Legacy and Commander, and not legal in Standard and Pauper.
Mnemonic Betrayal Rulings
- Oct 5, 2018 If you cast a spell this way and that card is exiled, it’s considered a new object. Mnemonic Betrayal no longer allows you to cast it. It remains in exile when Mnemonic Betrayal’s delayed triggered ability resolves.
- Oct 5, 2018 In a multiplayer game, if a player leaves the game, all cards that player owns leave as well. If you leave the game, any spells or permanents you control from Mnemonic Betrayal’s effect are exiled. If you leave the game before Mnemonic Betrayal’s delayed triggered ability resolves, the cards remain exiled.
- Oct 5, 2018 Mnemonic Betrayal doesn’t change when you can cast the exiled cards. For example, if you exile a sorcery card, you can cast it only during your main phase when the stack is empty.
- Oct 5, 2018 Only the cards that remain in exile are returned to their owners’ graveyards. For example, a permanent spell cast this way will remain on the battlefield.
- Oct 5, 2018 You can’t play land cards exiled this way.
Reprints & Reprint Risk
Mnemonic Betrayal has been reprinted 2 times.
| Set | Date | Rarity | Treatment |
|---|---|---|---|
| GRN #189 | 2018-10-05 | Mythic | Standard |
| GRN #189 | 2018-10-05 | Mythic | Standard |
GRN #189 Mnemonic Betrayal in Commander
Mnemonic Betrayal is the #2,360 most-played card on EDHREC, down 49 places over the last 30 days.
Mnemonic Betrayal FAQ
How much is Mnemonic Betrayal worth?
Mnemonic Betrayal is worth about $8.47 for its cheapest playable printing as of Aug 9, 2026. Prices range from $8.47 to $88.05 across 1 tracked printings.
Is Mnemonic Betrayal legal in Commander?
Yes — Mnemonic Betrayal is legal in Commander. It is also legal in Pioneer, Modern and Legacy.
Has Mnemonic Betrayal been reprinted?
Yes — Mnemonic Betrayal has been reprinted 2 times, with 1 printings tracked on The Index.
Why is Mnemonic Betrayal expensive?
Mnemonic Betrayal holds a $8.47 price because supply is limited to a single printing.