When an opponent casts a creature spell with flying, if Hidden Spider is an enchantment, Hidden Spider becomes a 3/5 Spider creature with reach. (It can block creatures with flying.)
Enchant creature: Enchanted creature gets +1/+0 until end of turn.When Fiery Mantle is put into a graveyard from the battlefield, return Fiery Mantle to its owner's hand.
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.)
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.
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.)
Flying (This creature can't be blocked except by creatures with flying or reach.)First strike (This creature deals combat damage before creatures without first strike.)
When an opponent casts a spell, if Veiled Sentry is an enchantment, Veiled Sentry becomes an Illusion creature with power and toughness each equal to that spell's mana value.
