Requires

Words of Wilding must be on the battlefield. Greater Good must be on the battlefield. Cryptolith Rite must be on the battlefield. Concordant Crossroads must be on the battlefield. Doubling Season must be on the battlefield. Mana needed:

Steps

1. On your upkeep, activate Words of Wilding by paying .
2. On your draw step, create two Bear tokens.
3. Activate two Bear tokens by tapping itself, adding one mana of any color.
4. Activate World of Wilding by paying .
5. Activate Greater Good by sacrificing a Bear token, creating four Bear tokens and discarding three cards.
6. Activate two Bear tokens by tapping those, adding two mana of any colors.
7. Repeat from step 4.

Results