Krenko, Baron of Tin Street, Crime Novelist, Sword of the Meek, and Krark-Clan Grunt

Prerequisites

• Krenko, Baron of Tin Street on the battlefield
• Crime Novelist on the battlefield
• Sword of the Meek on the battlefield
• Krark-Clan Grunt on the battlefield

Steps

1. Activate Krark-Clan Grunt by sacrificing Sword of the Meek
2. Crime Novelist and Krenko trigger
3. Resolve the Crime Novelist trigger, adding and putting a +1/+1 counter on the Crime Novelist
4. Resolve the Krenko trigger, causing you to pay to create a 1/1 Goblin creature token with haste
5. When the Goblin enters the battlefield, Sword of the Meek triggers, returning Sword of the Meek from your graveyard to the battlefield attached to the Goblin token
6. Resolve the Krark-Clan Grunt ability
7. Repeat

Results

• Infinite ETB
• Infinite creature tokens with haste
• Infinitely powerful Krark-Clan Grunt until end of turn
• Infinite +1/+1 counters on Crime Novelist