Sinking Feeling, Hex Parasite, Vizier of Tumbling Sands, and Chromatic Orrery

Prerequisites

• Sinking Feeling on the battlefield
• Hex Parasite on the battlefield
• Vizier of Tumbling Sands on the battlefield
• Chromatic Orrery on the battlefield
• Sinking Feeling attached to Vizier of Tumbling Sands
• Vizier of Tumbling Sands does not have summoning sickness

Steps

1. Activate Chromatic Orrery's second ability by tapping it, adding
2. Activate Vizier of Tumbling Sands by tapping it, untapping Chromatic Orrery
3. Activate Vizier of Tumbling Sands by paying and putting a -1/-1 counter on it, untapping it
4. Activate Hex Parasite by paying , removing the -1/-1 counter from Vizier of Tumbling Sands 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 second 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