When this Case enters, create a 2/1 black Skeleton creature token and suspect it. (It has menace and can't block.)

To solve — You control no suspected Skeletons. (If unsolved, solve at the beginning of your end step.)

Solved — , Sacrifice this Case: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

Lifelink

When Desperate Bloodseeker enters, target player mills two cards. (They put the top two cards of their library into their graveyard.)

Target creature you control gains hexproof until end of turn. Untap that creature. Until end of turn, it becomes a copy of up to one other target creature.

: Add .

, , Sacrifice Mind Stone: Draw a card.

Each other creature you control that's a Skeleton or Pirate gets +1/+1.

Whenever one or more creature cards leave your graveyard, create a 2/2 black Skeleton Pirate creature token. (This ability triggers only from the battlefield.)

: Return Skeleton Crew from your graveyard to the battlefield tapped.

Flying

When Sterling Supplier enters, put a +1/+1 counter on another target creature you control.

When Thunder Lasso enters, attach it to target creature you control.

Equipped creature gets +1/+1.

Whenever equipped creature attacks, tap target creature defending player controls.

Equip

Reach

When you cast or cycle Warped Tusker, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this creature: Add ."

Cycling (, Discard this card: Draw a card.)