King Macar, the Gold-Cursed, Clock of Omens, and Silverskin Armor

Prerequisites

• King Macar, the Gold-Cursed on the battlefield
• Clock of Omens on the battlefield
• Silverskin Armor on the battlefield
• Silverskin Armor attached to Macar

Steps

1. Activate Clock of Omens' ability, tapping Macar and Clock of Omens, untapping Macar
2. Macar triggers, exiling target creature and create a Gold token
3. Activate Clock of Omens' ability, tapping Macar and the Gold token, untapping Macar
4. Repeat from step 2

Results

• Lock on creatures
• Near-infinite colored mana