Arcum's Whistle {3}

Artifact

{3}, {T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay {X}, where X is that mana value. If they don’t pay, the creature attacks this turn if able, and at the beginning of the next end step, destroy it if it didn’t attack this turn. Activate only before attackers are declared.

Illustrated by Quinton Hoover

Standard
Alchemy
Pioneer
Explorer
Modern
Brawl
Legacy
Historic
Vintage
Pauper
Commander
Penny
Notes and Rules Information for Arcum's Whistle:
  • If a turn has multiple combat phases, the ability can only be activated before the beginning of the declare attackers step of the first combat phase in that turn. (2013-09-20)