Eternal Witness, Priest of Gix, Victimize, Insidious Roots, and Shilgengar, Sire of Famine

Prerequisites

• Eternal Witness on the battlefield
• Priest of Gix on the battlefield
• Victimize in hand
• Insidious Roots on the battlefield
• Shilgengar, Sire of Famine on the battlefield
• available

Steps

1. Activate Shilgengar twice by sacrificing Priest of Gix and Eternal Witness
2. Cast Victimize by paying and sacrificing another creature, returning Eternal Witness and Priest of Gix from your graveyard to the battlefield
3. When Priest of Gix and Eternal Witness enter, they each trigger as well as Insidious Roots
4. Resolve the Priest of Gix trigger, adding
5. Resolve the Insidious Roots trigger, creating a creature token and putting a +1/+1 counter on each Plant you control Resolve the Eternal Witness trigger, returning Victimize from your graveyard to your hand
6. Repeat

Results

• Infinite Blood tokens
• Infinite artifact tokens
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers
• Infinite storm count
• Infinite +1/+1 counters on certain creatures