Koha, Keeper Of Intelligence

Menace, Partner
Whenever a creatures you control deals combat
damage to a player you may play a land and cast
a permanent spell from your graveyard of each
converted mana cost until end of turn.
{2}{u/b}{b/g} Sacrifice a creature you may play
a additional land and cast an additional spell of
each each converted mana cost from your
graveyard until end of turn.