Shilgengar, Sire of Famine, Solemnity, and Phyrexian Altar

Prerequisites

• Shilgengar, Sire of Famine on the battlefield
• Solemnity on the battlefield
• Phyrexian Altar on the battlefield
• You control at least nine other nontoken creatures
• This pre-requisite can be reduced if you control one or more nontoken Angels with toughness 2+, or if you have creature cards in your graveyard plus additional mana and/or Blood tokens

Steps

1. Activate Shilgengar's first ability by sacrificing another nontoken creature, creating at least one Blood artifact token
2. Repeat step 1 until you control at least six Blood tokens
3. Activate Phyrexian Altar by sacrificing another nontoken creature, adding
4. Repeat step 3 until you have available
5. Activate Shilgengar by paying and sacrificing six Blood tokens, returning all creature cards from your graveyard to the battlefield without a finality counter on them due to Solemnity
6. Repeat
7. If you control additional nontoken creatures, you may sacrifice them in step 1 to get infinite Blood tokens, and/or in step 3 to get infinite colored mana

Results

• Infinite Blood tokens
• Infinite colored mana
• Infinite death triggers
• Infinite draw triggers
• Infinite ETB
• Infinite LTB
• Infinite rummaging
• Infinite sacrifice triggers
• Infinite self-discard triggers