Elemental Mastery + Farmstead Gleaner + Phyrexian Altar

R identity

Commander legal

The 3 combo pieces

• Elemental Mastery
• Farmstead Gleaner
• Phyrexian Altar

What must be in place

Elemental Mastery attached to Farmstead Gleaner.
Farmstead Gleaner does not have summoning sickness.

How to execute it

1. Activate Farmstead Gleaner by tapping it, creating a number of 1/1 Elemental creature tokens with haste equal to its power.
2. Activate Phyrexian Altar twice by sacrificing two Elemental tokens, adding {2}.
3. Activate Farmstead Gleaner by paying {2} and untapping it, putting a +1/+1 counter on it.
4. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite colored mana
• Infinite creature LTB
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers