Surestrike Trident

Oracle Text

Equipped creature has first strike and "T, Unattach Surestrike Trident: This creature deals damage equal to its power to target player or planeswalker."

Equip 4 (4: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Card Rulings

12/1/2004 Surestrike Trident grants an ability to the equipped creature.
12/1/2004 The equipped creature’s controller chooses whether or not to activate the activated ability. It doesn’t matter who controls Surestrike Trident.
12/1/2004 “Unattach Surestrike Trident” means just that — Surestrike Trident moves off the creature it was equipping and remains on the battlefield.