Kykar, Wind's Fury, Mana Echoes, and Seething Anger

Prerequisites

• Kykar, Wind's Fury on the battlefield
• Mana Echoes on the battlefield
• Seething Anger in hand
• Two additional spirits on the battlefield
• available

Steps

1. Pay to cast Seething Anger with buyback, giving target creature +3/+0 untill end of turn
2. Kykar triggers, creating a spirit
3. On ETB, the spirit triggers Mana Echoes, generating
4. Sacrifice the spirit to Kykar to generate
5. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite storm count