Deepfathom Skulker

Destroy target attacking creature.

Target opponent loses 5 life unless that player discards two cards or sacrifices a creature or planeswalker of their choice. Repeat this process once.

Surge UU (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) This spell can't be countered. Counter target spell.

Untap this creature during each other player's untap step. T: This creature deals 1 damage to any target. C, T: Target creature can't attack or block this turn. CC, T: Draw a card.

When this creature enters, support 6. (Put a +1/+1 counter on each of up to six other target creatures.) Whenever a creature you control with a +1/+1 counter on it dies, you gain 2 life.

Equipped creatures you control get +1/+1. Whenever an equipped creature you control dies, draw a card.

Untap this creature during each other player's untap step. T: This creature deals 1 damage to any target. C, T: Target creature can't attack or block this turn. CC, T: Draw a card.

Devoid (This card has no color.) Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add C." (C represents colorless mana.)