Obsession
Enchantment
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, draw three cards, then put two cards from your hand on top of your library in any order.
Beaked Hunter
Creature — Bird Squid
Flash
Flying
Echo
When Beaked Hunter enters the battlefield, return target creature to its owner’s hand.
A beak both avian and cephalopod.
2/1
Night’s Litany
Enchantment
Echo
At the beginning of your upkeep, you draw two cards and you lose 2 life.
Electroconvulsive Therapy
Enchantment — Aura
Flash
Enchant creature
Echo
At the beginning of each upkeep, Electroconvulsive Therapy deals 3 damage to enchanted creature.
Emerald Fusion
Enchantment
Echo
At the beginning of your end step, put a 5/5 green Elemental creature token onto the battlefield.
Growth Serum
Enchantment — Aura
Flash
Enchant creature
Echo
Enchanted creature gets +3/+3.
Synthetic Lightning
Artifact Creature — Elemental
Trample, haste
Echo
6/1
Shockwave Stomper
Creature — Beast
Echo
When Shockwave Stomper enters the battlefield, untap up to three lands.
4/3