Ritual of Death

Ritual 3 (as an additional cost tap 3 nonotoken creature cards. They do not untap as long as Ritual of Death is in play. If a creature tapped to pay the ritual cost is destroyed exile Ritual of death.)
At the beginning of your upkeep add one ritual counter to Ritual of Death. When Ritual of Death has 4 ritual token destroy all tapped creatures opponents control and all creatures used for the ritual cost. Deal damage to all players equal to the amount of creatures destroyed this way. Exile Ritual of Dea