Underground River

Destroy all creatures. You gain 1 life for each creature destroyed this way.

T, Pay 1 life: Add G or W. 1, T, Sacrifice this land: Draw a card.

Whenever a nontoken creature an opponent controls dies, exile it. 2B, Put a creature card exiled with Shelob into its owner's graveyard: Put two +1/+1 counters on Shelob. Draw a card. X1B: Put target creature card with mana value X exiled with Shelob onto the battlefield tapped under your control.

Noncreature spells cost 1 more to cast.

T: Add CC.

When this creature enters, you may destroy target artifact or enchantment.

Destroy target creature or enchantment.

When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.