Edison Format · March 2010
"Sinister Seeds" can be activated when the monster destroyed by battle is sent to the GY.
"Sinister Seeds" cannot be activated if you will not have enough open Monster Card Zones for every Sinister Seed Token that would be Special Summoned. You cannot activate "Sinister Seeds" when you receive 3000 or more battle damage.
You cannot activate "Sinister Seeds" if you do not receive at least 500 points of Battle Damage.