Heritage Druid + Nettle Sentinel + Cloudstone Curio

Prerequisites

• You have a nonartifact Elf card in hand that can be cast using or less with enough mana to cast it.

Steps

1. 1Cast an Elf from your hand by paying its mana cost.
2. 2If the Elf was green, Nettle Sentinel triggers, untapping itself.
3. 3When the Elf enters the battlefield, Cloudstone Curio triggers.
4. 4Holding priority, activate Heritage Druid by tapping it, Nettle Sentinel and another Elf, adding .
5. 5Resolve the Cloudstone Curio trigger, returning Heritage Druid from the battlefield to your hand.
6. 6Cast Heritage Druid by paying .
7. 7Nettle Sentinel triggers, untapping itself.
8. 8When Heritage Druid enters the battlefield, Cloudstone Curio triggers, returning the Elf cast in step 1 from the battlefield to your hand.
9. 9Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite green mana
• Infinite storm count