The Tongue of the Unspeakable

Reach
You may sacrifice a creature, artifact, land, enchanment and discard a card. If you do put
The Tongue of the Unspeakable from your
hand or graveyard on the BF.

When you cast it draw 2 cards and gain 7 life
When ETB draw 2 cards and gain 5 life
When blocking: Annihilate 2