The Jolly Balloon Man, Felidar Guardian, and Doubling Season

Prerequisites

• The Jolly Balloon Man on the battlefield
• Felidar Guardian in hand
• Doubling Season on the battlefield
• You control a permanent that enters the battlefield untapped and can tap to produce at least

Steps

1. Activate a permanent you control by tapping it, adding at least
2. Activate The Jolly Balloon Man by paying and tapping it, creating two token copies of Felidar Guardian that are 1/1 Balloons with haste
3. When the Felidar Guardian tokens enter the battlefield, they trigger, blinking the mana-producing permanent and The Jolly Balloon Man
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite creature tokens with haste