Sinking Feeling, Hex Parasite, Clever Conjurer, and Chromatic Orrery

Prerequisites

• Sinking Feeling on the battlefield
• Hex Parasite on the battlefield
• Clever Conjurer on the battlefield
• Chromatic Orrery on the battlefield
• Sinking Feeling attached to Clever Conjurer
• Clever Conjurer does not have summoning sickness

Steps

1. Activate Chromatic Orrery's first ability by tapping it, adding
2. Activate Clever Conjurer by tapping it, untapping Chromatic Orrery
3. Activate Clever Conjurer by paying and putting a -1/-1 counter on it, untapping it
4. Activate Hex Parasite by paying , removing the -1/-1 counter from Clever Conjurer and giving Hex Parasite +1/+0 until end of turn
5. Repeat
6. Once you have infinite mana, you may instead use Chromatic Orrery's first ability to draw infinite cards

Results

• Infinite card draw
• Infinite colored mana
• Infinite colorless mana
• Infinite draw triggers
• Infinitely powerful Hex Parasite until end of turn