Dual Casting, Thornbite Staff, Force of Rage, and Phyrexian Altar

Prerequisites

• Dual Casting on the battlefield
• Thornbite Staff on the battlefield
• Force of Rage in hand
• Phyrexian Altar on the battlefield
• Dual Casting and Thornbite Staff attached to the same creature
• The creature with Dual Casting attached does not have summoning sickness
• available

Steps

1. Cast Force of Rage by paying
2. Holding priority, activate the creature with Dual Casting attached by paying and tapping it, copying Force of Rage
3. Resolve the copy of Force of Rage, creating two 3/1 Elemental creature tokens with haste
4. Activate Phyrexian Altar by sacrificing an Elemental, adding
5. The Elemental dies, triggering the creature with Thornbite Staff attached, untapping the creature
6. Repeat from step 2 for an arbitrarily large number of creature tokens
7. Activate Phyrexian Altar twice by sacrificing two Elementals, adding
8. Thornbite Staff triggers twice, untapping the equipped creature
9. Activate the equipped creature by paying and tapping it, dealing 1 damage to any target
10. Repeat from step 7

Results

• Infinite colored mana
• Infinite creature tokens with haste
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers