Isochron Scepter + Roar of the Kha + Toymaker

Prerequisites

• You control creatures that can tap to produce at least .
• You have at least one card in hand.
• Toymaker does not have summoning sickness.

Steps

1. 1Activate Toymaker's first ability by paying , tapping it and discarding a card, causing Isochron Scepter to become an artifact creature until end of turn.
2. 2Activate creatures you control by tapping those, adding .
3. 3Activate Isochron Scepter by paying and tapping it, casting a copy of Roar of the Kha without paying its mana cost, untapping all creatures.
4. 4Repeat from step 2.

Effects

• Infinite mana creatures you control can produce
• Infinite storm count