If your life total is greater than 10, it becomes 10. For the rest of the game, your maximum life total is 10. You get an emblem with "Pay 2 life: Add one mana of any color" and "At the beginning of your upkeep, you draw a card and you lose 1 life."
(08/11/2024)
If an effect would cause you to gain life past your maximum life total, you won’t gain any life above your maximum life total. For example, say your life total is 8 and your maximum life total is 10. You cast Azorius Herald, which has “When this creature enters, you gain 4 life.” You’ll gain 2 life, putting your life total back up to its maximum of 10.
(08/11/2024)
For many playtest cards, you’ll need to make a generous assumption that basic game rules would be updated to allow them to work. The Mystery Booster 2 Playtest Card Notes section (reproduced here in individual Gatherer rulings) provides guidance for fitting these cards into the existing rules structure.
(08/11/2024)
Playtest cards use a modified version of game symbols, such as and . These modified symbols should be treated as the standard symbols during play.
(08/11/2024)
Playtest cards aren’t legal for play in any tournament format other than Mystery Booster Limited formats. On the other hand, we expect they will spice up a wide variety of non-tournament games (as long as everyone’s on the same page about using them!).
(08/11/2024)
Maximum life total means just that. After resolving You Compleat Me, you can’t have more than 10 life. Ever. No matter what.
