Eladamri's Vineyard

Oct 4, 2004 · Only the first main phase each turn is considered a precombat main phase, even if other combat phases are created (with Relentless Assault, for example).

Oct 4, 2004 · It will not trigger a second time in a turn, even if you cast a spell that gives you a third main phase.

May 1, 2007 · This ability is not optional.