Fourth Edition Foreign Black Border

Mishra's War Machine

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
At the beginning of your upkeep, Mishra's War Machine deals 3 damage to you unless you discard a card. If Mishra's War Machine deals damage to you this way, tap it.

Fourth Edition

Banding
During your upkeep, choose and discard one card from your hand, or Mishra's War Machine deals 3 damage to you. If Mishra's War Machine deals damage to you in this way, tap it.

Summer Magic / Edgar

Revised Edition

Bands
During your upkeep, discard one card of your choice from your hand, or Mishra's War Machine becomes tapped and does 3 points of damage to you.