Najeela, the Blade-Blossom, Krenko, Tin Street Kingpin, and Phyrexian Altar

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Krenko, Tin Street Kingpin on the battlefield
• Phyrexian Altar on the battlefield
• Krenko does not have summoning sickness
• Krenko has a power of four or greater
• An opponent is unable to block and kill Krenko

Steps

1. Declare Krenko as an attacker
2. Krenko triggers, putting a +1/+1 counter on itself and creating at least five 1/1 Goblin creature tokens
3. Activate Phyrexian Altar five times by sacrificing five creatures, adding
4. Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one
5. Repeat each combat phase

Results

• Infinite +1/+1 counters on Krenko
• Infinite colored mana
• Infinite combat phases
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers