Cavern of Souls

Choose one — • Return target planeswalker card with mana value X or less from your graveyard to the battlefield. • Remove twice X loyalty counters from target planeswalker an opponent controls.

2, T: Search your library for a card named Festering Newt or Bubbling Cauldron, put it onto the battlefield tapped, then shuffle.

Exile the top eight cards of your library. You may put a land card from among them onto the battlefield. Until end of turn, for each nonland card type, you may cast a spell of that type from among the exiled cards without paying its mana cost.

When this creature enters, you may destroy target creature with power 1 or less.

Destroy target creature. Its controller loses 2 life and you gain 2 life.

Kicker WW (You may pay an additional WW as you cast this spell.) Flying When this creature enters, destroy all lands you control. If it was kicked, destroy all lands instead.

Lifelink Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.