The Pied Piper's Piping Pipe

Equip {2}
Equipped creature has +1/+1. If equipped
creature has Flute Proficiency, Equipped
creature has +2/+2 instead, and other players
can't disagree with you.
If equipped creature is The Pied Piper, Sure
Shot from Shrek Forever After may target
creatures with converted mana cost 7 or less.