Jetfire, Ingenious Scientist // Jetfire, Air Guardian + Chromatic Orrery + Hardened Scales

Prerequisites

• Jetfire has no +1/+1 counters on it.

Steps

1. 1Activate Jetfire, Air Guardian by paying , converting it and putting four +1/+1 counters on it.
2. 2Activate Jetfire, Ingenious Scientist by removing all +1/+1 counters from it, adding and converting Jetfire.
3. 3Repeat.

Effects

• Infinite colored mana that can't be spent to cast nonartifact spells
• Infinite colorless mana that can't be spent to cast nonartifact spells