Breach the Multiverse
Dualcaster Mage
Yahenni, Undying Partisan

   Prerequisites

What do I need to start this combo?
Yahenni on the battlefield.
Breach the Multiverse and Dualcaster Mage in hand.
You have a creature card in your graveyard.
6 available

   Steps

How does this combo work?
1
Cast Breach the Multiverse by paying its mana cost, targeting any applicable target.
2
Holding priority, cast Dualcaster Mage by paying its mana cost.
3
When Dualcaster Mage enters, it triggers, targeting Breach the Multiverse.
4
Holding priority, activate Yahenni by sacrificing Dualcaster Mage.
5
Resolve the Dualcaster Mage trigger, copying Breach the Multiverse, with the copy targeting Dualcaster Mage
6
Resolve the Breach the Multiverse copy, returning Dualcaster Mage from your graveyard to the battlefield.
7
Repeat from step 3.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Put all creature cards from your library onto the battlefield
Infinite magecraft triggers
Infinite recursion of creature cards in your graveyard
Put all creature cards from each opponent's library onto the battlefield under your control
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