Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)Whenever a source deals damage to Reaper of Sheoldred, that source's controller gets a poison counter.
At the beginning of your upkeep and whenever you cast a green spell, put a charge counter on Shrine of Boundless Growth., Sacrifice Shrine of Boundless Growth: Add for each charge counter on Shrine of Boundless Growth.
Viridian Betrayers has infect as long as an opponent is poisoned. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)You may have Spinebiter assign its combat damage as though it weren't blocked.
Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)Equipped creature gets +2/+2.Equip
When Auriok Survivors enters, you may return target Equipment card from your graveyard to the battlefield. If you do, you may attach it to Auriok Survivors.