Rakdos Signet (Retro) [The Brothers' War Commander]Set: The Brothers' War Commander Type: Artifact Rarity: Uncommon Cost: {2} {1}, {T}: Add {B}{R}. Made of bone and boiled in blood, a Rakdos signet is not considered finished until it has been used as a murder weapon.

Exile False Floor: Exile all untapped creatures

Whenever Treasury Thrull attacks

then put all cards revealed this way into your hand

Set: Fourth Edition (Foreign Black Border) Type: Enchantment — Aura Rarity: Common Cost: {G} Enchant land

The world is the body

Set: Magic Player Rewards 2008 Type: Sorcery Rarity: Rare Cost: {2}{B}{B} Destroy all creatures

Its abundance provides

and vice versa

Set: Dominaria United Commander Type: Land — Island Swamp Rarity: Rare ({T}: Add {U} or {B}

where X is the number of creatures that died under your control this turn

put a study counter on it

{3}{U}: Target creature token can't be blocked this turn