Baru Wurmspeaker 26 (Commander: Dominaria United)

Wurms you control get +2/+2 and have trample. {7}{G}, {T}: Create a 4/4 green Wurm creature token. This ability costs {X} less to activate, where X is the greatest power among Wurms you control.

NM - $3.20
LP - $2.50
MP - $1.90
HP - $1.50
DMG - $1.50