Araumi of the Dead Tide + Specimen Collector + Phyrexian Altar

Prerequisites

• You have at least two opponents.
• You have an additional card in your graveyard for each opponent you have.
• Araumi does not have summoning sickness.

Steps

1. 1Activate Araumi by tapping it and exiling a number of cards equal to the number of opponent you have, giving Specimen Collector encore until end of turn.
2. 2Activate Specimen Collector's encore ability by paying and exiling it, creating at least two token copies of it with haste.
3. 3Each Specimen Collector enters the battlefield, creating that many 1/1 Squirrel and 0/3 Crab creature tokens.
4. 4Activate Phyrexian Altar by sacrificing a Specimen Collector token, adding one mana of any color.
5. 5The Specimen Collector token dies, creating a token copy of a Specimen Collector token.
6. 6Repeat from step 3.

Effects

• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens
• Infinite death triggers