When Didact Echo enters the battlefield, draw a card. Descend 4 — Didact Echo has flying as long as there are four or more permanent cards in your graveyard.

Whenever you cast a Spirit or Arcane spell, you may sacrifice Dreamcatcher. If you do, draw a card.

Skulk (This creature can't be blocked by creatures with greater power.) When Fogwalker enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.