Ruthless Knave Combos

Ruthless Knave has been printed in Ixalan, and has 8 combos.

Ashnod the Uncaring + Apprentice Necromancer + Ruthless Knave

Combo result
Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers.
Prerequisites

All permanents on the battlefield. Apprentice Necromancer does not have summoning sickness. {B} available.

Chatterfang, Squirrel General + Ruthless Knave + Ashnod's Altar

Combo result
Infinite creature tokens. Infinite Treasure tokens. Infinite colored mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite card draw. Infinite draw triggers.
Prerequisites

All permanents on the battlefield. You control at least one additional creature. {B} available.

Chatterfang, Squirrel General + Ruthless Knave + Doubling Season

Combo result
Infinite creature tokens. Infinite Treasure tokens. Infinite colored mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite death triggers. Infinite card draw. Infinite draw triggers.
Prerequisites

All permanents on the battlefield. You control at least one additional creature. {B} available.

Chatterfang, Squirrel General + Ruthless Knave + Earthcraft

All permanents on the battlefield. You control at least one additional creature. You control a basic land. {B} available.

Chatterfang, Squirrel General + Ruthless Knave + Parallel Lives

Combo result
Infinite creature tokens. Infinite Treasure tokens. Infinite colored mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite death triggers. Infinite card draw. Infinite draw triggers.
Prerequisites

All permanents on the battlefield. You control at least one additional creature. {B} available.

Chatterfang, Squirrel General + Ruthless Knave + Primal Vigor

Combo result
Infinite creature tokens. Infinite Treasure tokens. Infinite colored mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite death triggers. Infinite card draw. Infinite draw triggers.
Prerequisites

All permanents on the battlefield. You control at least one additional creature. {B} available.

Ruthless Knave + Gravecrawler + Pawn of Ulamog

Combo result
Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite storm count.
Prerequisites

All permanents on the battlefield. You control another Zombie. {B} available.

Ruthless Knave + Gravecrawler + Pitiless Plunderer

Combo result
Infinite creature tokens. Infinite Treasure tokens. Infinite colored mana. Infinite colorless mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite storm count.
Prerequisites

All permanents on the battlefield. You control another Zombie. {B} available.