Banding (Just ask around until you find someone who knows.)
Creature spells you cast with banding cost less to cast.
Whenever two or more creatures you control attack in a band, each creature in that band gets +1/+1 until end of turn for each creature in that band.
Illustrated by Marco Wulfr · Mystery Booster 2 · #590
2024-11-08
If a creature with banding attacks, it can team up with any number of other attacking creatures with banding (and up to one nonbanding creature) and attack as a unit called a “band.” The band can be blocked by any creature that could block a single creature in the band. Blocking any creature in a band blocks the entire band. If a creature with banding is blocked, the attacking player chooses how the blockers’ damage is assigned.
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A maximum of one nonbanding creature can join an attacking band no matter how many creatures with banding are in it.
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Creatures in the same band must all attack the same player, planeswalker, or battle.
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If a creature in combat has banding, its controller assigns damage for creatures blocking or blocked by it.
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Chatzuk’s second ability doesn’t change the mana cost or mana value of any spell. It changes only the total cost you pay to cast spells.
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Chatzuk’s second ability can’t reduce the amount of colored mana you pay for a spell. It reduces only the generic mana component of that spell’s cost.
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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
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
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.