Set: Mystery Booster: Convention Edition Exclusives
Rarity: Special
Type: Sorcery
Mana Cost: {U}{B}{R}
Colors: Black, Red, Blue
Choose one at random— • You get an emblem with “At the beginning of your upkeep, pay {U}{B}{R}. If you don’t, you lose the game.” • Each player discards their hand. • Planeswalk to Pools of Becoming. (Once there you can roll the planar die only if you’re playing Planechase.) • For each opponent, exile cards from the top of their library until you exile a nonland card. You may cast those cards without paying their mana costs. • Destroy all creatures and non-Bolas planeswalkers. • You get an emblem with “You can cast nonland cards from your sideboard.”
| Set | Mystery Booster: Convention Edition Exclusives (CMB1) |
|---|---|
| Rarity | Special |
| Type | Sorcery |
Format legality
| Duel | Not legal |
|---|---|
| Brawl | Not legal |
| Penny | Not legal |
| Predh | Not legal |
| Future | Not legal |
| Legacy | Not legal |
| Modern | Not legal |
| Pauper | Not legal |
| Alchemy | Not legal |
| Pioneer | Not legal |
| Vintage | Not legal |
| Historic | Not legal |
| Standard | Not legal |
| Timeless | Not legal |
| Commander | Not legal |
| Gladiator | Not legal |
| Oldschool | Not legal |
| Premodern | Not legal |
| Oathbreaker | Not legal |
| Standardbrawl | Not legal |
| Paupercommander | Not legal |