Vigor, Hanabi Blast, Crystalline Crawler, Oskar, Rubbish Reclaimer, and Angrath's Marauders

Prerequisites

• Vigor on the battlefield
• Hanabi Blast in hand
• Crystalline Crawler on the battlefield
• Oskar, Rubbish Reclaimer on the battlefield
• Angrath's Marauders on the battlefield
• available

Steps

1. Cast Hanabi Blast by paying , targeting Crystalline Crawler
2. Resolve Hanabi Blast, putting four +1/+1 counters on Crystalline Crawler due to Vigor's first ability, and then returning Hanabi Blast to your hand and discarding a card at random
3. Oskar triggers if the discarded card was a nonland card
4. Holding priority, activate Crystalline Crawler;s first ability three times by removing three +1/+1 counters from it, adding
5. Resolve the Oskar trigger, choosing to cast Hanabi Blast if it was the discarded card by paying targeting Crystalline Crawler, or choosing not to cast the card otherwise
6. If you did not cast Hanabi Blast using Oskar, cast it from your hand by paying , targeting Crystalline Crawler
7. Repeat from step 2
8. Once you have infinite colored mana, you may instead target any other creature and/or player with Hanabi Blast

Results

• Infinite +1/+1 counters
• Infinite colored mana
• Infinite damage
• Infinite magecraft triggers
• Infinite storm count