At the beginning of your upkeep, you may put a verse counter on Serra's Hymn.Sacrifice Serra's Hymn: Prevent the next X damage that would be dealt this turn to any number of targets, divided as you choose, where X is the number of verse counters on Serra's Hymn.
At the beginning of your upkeep, you may put a page counter on Barrin's Codex., , Sacrifice Barrin's Codex: Draw X cards, where X is the number of page counters on Barrin's Codex.
FlyingWhenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as Somnophore remains on the battlefield.
Enchant creatureSacrifice a Forest: Regenerate enchanted creature.When Fortitude is put into a graveyard from the battlefield, return Fortitude to its owner's hand.
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Diabolic Servitude enters, return target creature card from your graveyard to the battlefield.When the creature put onto the battlefield with Diabolic Servitude dies, exile it and return Diabolic Servitude to its owner's hand.When Diabolic Servitude leaves the battlefield, exile the creature put onto the battlefield with Diabolic Servitude.
