Manaweft Bondmail

Equip {2}. Activate only if Manaweft Bondmail is
not equipping a creature.
Equipped creature gets =2/+1 and vigilance, loses
haste and cannot have haste, and has "{1}: This
creature gets +1/+1 until end of turn."
When Manaweft Bondmail becomes unattached,
equipped permanent's controller sacrifices it. If
they do, they add X mana in any combination of
its colors or gain X life.