Kenrith, the Returned King, Great Whale, and Phyrexian Altar

Prerequisites

• Kenrith, the Returned King in hand or on the battlefield or in the command zone
• Great Whale in the graveyard
• Phyrexian Altar on the battlefield
• at most available

Steps

1. Activate up to seven lands by tapping them, adding at least
2. Activate Kenrith's fifth ability by paying , returning Great Whale from your graveyard to the battlefield
3. When Great Whale enters the battlefield, it triggers, untapping up to seven lands
4. Activate Phyrexian Altar by sacrificing Great Whale, adding
5. Repeat

Results

• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite lifegain triggers
• Infinite lifegain
• Return all creature cards from all graveyards to the battlefield under your control
• Infinite card draw for any number of players
• Infinite draw triggers for any number of opponents
• Infinite mana lands you control can produce