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.
First strike, hasteEcho (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.)
Enchant enchantmentAt the beginning of the upkeep of enchanted enchantment's controller, that player loses 2 life unless they pay .Cycling (, Discard this card: Draw a card.)
When an opponent casts a spell, if Veiled Serpent is an enchantment, Veiled Serpent becomes a 4/4 Serpent creature with "This creature can't attack unless defending player controls an Island."Cycling (, Discard this card: Draw a card.)
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.)
At the beginning of your upkeep, you may put a verse counter on Vile Requiem., Sacrifice Vile Requiem: Destroy up to X target nonblack creatures, where X is the number of verse counters on Vile Requiem. They can't be regenerated.
At the beginning of your upkeep, you may put a verse counter on War Dance.Sacrifice War Dance: Target creature gets +X/+X until end of turn, where X is the number of verse counters on War Dance.
Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)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.)
