End Diplomacy

Pay 1 life, sacrifice End Diplomacy: Counter target instant or sorcery spell.
Portend 2, {1}{w/b}({1}{w/b}, put this card onto the battlefield, from your graveyard. Put two suspend counters on it. When all suspend counters are removed, you can use this card's ability. You can only do this once per turn, and only during your upkeep.)