Hidetsugu and Kairi | Clone Legion | Skullwinder

Cards

Cast
Clone Legion by paying ({7} magic symbol) ({U} magic symbol) ({U} magic symbol) , causing you to create a token copy of
Hidetsugu and Kairi and
Skullwinder.
Put the token
Hidetsugu and Kairi into your graveyard due to the legend rule.
The
Hidetsugu and Kairi token's first and second abilities trigger, as well as
Skullwinder.
Resolve the
Skullwinder trigger, returning
Clone Legion from your graveyard to your hand and causing an opponent to return a card from their graveyard to their hand.
Resolve the first
Hidetsugu and Kairi trigger, causing you to draw three cards and then put
Clone Legion and another card on top of your library, ensuring
Clone Legion is on top.
Resolve the second
Hidetsugu and Kairi trigger, exiling
Clone Legion from the top of your library, then causing an opponent to lose 9 life and allowing you to cast
Clone Legion from exile without paying its mana cost.
Resolve
Clone Legion, causing you to create a token copy of
Hidetsugu and Kairi and
Skullwinder.
Repeat from step 2.

Infinite card draw.
Near-infinite lifeloss.
Near-infinite ETB.
Infinite draw triggers.
Near-infinite storm count.
Near-infinite LTB.
Near-infinite magecraft triggers.
Near-infinite death triggers.
Near-infinite creature tokens.
Near-infinite copies of creatures you control.
Target opponent returns a portion of the cards in their graveyard to their hand.