No reference price for this printing yet: not enough stores to make an average.
Run a comparison: we query the stores live, it may have arrived this morning.
The abilities that backup grants to the target creature are determined only once, at the time the ability triggers. They won’t change if the permanent with backup loses any abilities before the backup ability resolves.
2023-04-14 · Wizards of the CoastIf a permanent enters the battlefield as a copy of a card with a backup ability or a token is created that is a copy of that card, the order of the printed abilities is maintained.
2023-04-14 · Wizards of the CoastBackup confers only abilities that are actually printed below it. Any abilities that are gained by the permanent are ignored, including abilities gained due to a resolving spell or ability or copy effects.
2023-04-14 · Wizards of the CoastIf a backup ability causes another creature to gain abilities, the creature with backup will still have those abilities.
2023-04-14 · Wizards of the CoastIf a backup ability targets the creature with backup, that creature will get +1/+1 counters, but it won’t gain additional abilities.
2023-04-14 · Wizards of the Coast
Fetch & Shock Games
Dungeon Comics & Cards · Foil
