Crystalline Crawler + Biogenic Upgrade + Reiterate

Prerequisites

• Crystalline Crawler has at least two +1/+1 counters on it.

Steps

1. 1Cast Biogenic Upgrade by paying , targeting Crystalline Crawler.
2. 2Holding priority, cast Reiterate with buyback by paying , creating a copy of Biogenic Upgrade targeting Crystalline Crawler and returning Reiterate to your hand.
3. 3Resolve the copy of Biogenic Upgrade, putting three +1/+1 counters on Crystalline Crawler and then doubling the number of +1/+1 counters on Crystalline Crawler.
4. 4Activate Crystalline Crawler's first ability six times by removing six +1/+1 counters from it, adding .
5. 5Repeat from step 2.
6. 6Once you have infinite mana, you may instead target other creatures using Biogenic Upgrade.

Effects

• Infinite +1/+1 counters on creatures you control
• Infinite colored mana
• Infinite magecraft triggers
• Infinite storm count