Splice onto instant or sorcery 1B (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's abilities to that spell. It's still an instant or sorcery spell.)
You reveal all cards you intend to splice at the same time. Each individual card can be spliced only once onto any one spell, although multiple cards with the same name may be spliced onto one spell.
2024-11-08
wotc
Splicing Lifening Elemental onto an instant or sorcery will give it lifelink. It won’t make that instant or sorcery spell a creature spell, nor give it a power or toughness.
2024-11-08
wotc
Playtest cards use a modified version of game symbols, such as {T} and {W}. These modified symbols should be treated as the standard symbols during play.
2024-11-08
wotc
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!).
2024-11-08
wotc
If the spell is countered or otherwise fail to resolve, any cards you spliced onto it remain in your hand.
2024-11-08
wotc
If all of the spell’s targets are illegal when the spell tries to resolve, it won’t resolve and none of its effects will happen, including those from cards spliced onto it.
2024-11-08
wotc
If a spell is copied, choices made while casting it are copied, so the copy will have the same abilities spliced onto it as the original.
2024-11-08
wotc
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.
Format Legality
Standard
Not Legal
Future
Not Legal
Historic
Not Legal
Timeless
Not Legal
Gladiator
Not Legal
Pioneer
Not Legal
Modern
Not Legal
Legacy
Not Legal
Pauper
Not Legal
Vintage
Not Legal
Penny
Not Legal
Commander
Not Legal
Oathbreaker
Not Legal
Standardbrawl
Not Legal
Brawl
Not Legal
Alchemy
Not Legal
Paupercommander
Not Legal
Duel
Not Legal
Oldschool
Not Legal
Premodern
Not Legal
Predh
Not Legal
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Mystery Booster 2