Landesherr Adrian Rubinsky

During their turns each opponent may pay {2} to activate War Bonds. War Bonds may only be activated once per turn and only as a sorcery.
War Bonds - activate to gain three mana of any
colour and then the controller of this card gains {2} at the beginning of their next
main phase.
{t} : add {2}
{u}{b}{r} : Whenever War Bonds is activated or Landesherr Adrian Rubinsky is tapped for mana
you gain {4} instead.