Nim Deathmantle + The Master of Lake-town + Mind Over Matter + Phyrexian Altar
Nim Deathmantle
The Master of Lake-town
Mind Over Matter
Phyrexian Altar
Infinite draw triggersInfinite lootingInfinite self-discard triggersNear-infinite creature ETBNear-infinite creature LTBNear-infinite card drawNear-infinite death triggersNear-infinite mana permanents you control can produceNear-infinite creature sacrifice triggersNear-infinite untap of permanents you control
How it works
Activate Phyrexian Altar by sacrificing The Master of Lake-town.
When The Master of Lake-town dies, it and Nim Deathmantle trigger.
Resolve the Master of Lake-town trigger, drawing a card for each graveyard that has seven or more cards in it.
Holding priority, activate a mana-producing permanent by tapping it, adding at least 1.
Activate Mind Over Matter by discarding a card, untapping the mana-producing permanent
Repeat steps 4 and 5 until you have 4 or more available.
Resolve the Nim Deathmantle trigger, causing you to pay 4 to return The Master of Lake-town from your graveyard to the battlefield and attaching Nim Deathmantle to it.