the front side of Woodland Weavemaster
the back of a classic MtG card
the front side of Seedcradle Witch
the back of a classic MtG card

Color Identity: G, W

Initial Card State

  1.  Woodland Weavemaster and Seedcradle Witch on the battlefield (Woodland Weavemaster without summoning sickness).

Mana Needed

  1. two generic manaone green or white manaone green or white mana at most available.

Steps

  1. Activate Woodland Weavemaster by tapping it, adding an amount of one green or white mana equal to its power that can only be spent to activate abilities of Elves or to cast Elf spells.
  2. Activate Seedcradle Witch by paying two generic manaone green manaone white mana, untapping Woodland Weavemaster and giving it +3/+3 until end of turn.
  3. Repeat, alternating between adding one green mana and one white mana each loop as needed.

Notes

  1. The mana prerequisite can be reduced by up to two generic manaone green or white mana if Woodland Weavemaster starts the combo with greater power. As the combo makes more mana each loop, the excess mana can then be used to increase the power and toughness of other creatures as desired.

Results

  1. Infinite colored mana that can only be spent to activate abilities of certain creatures.
  2. Infinite colored mana that can only be spent to cast spells of a certain creature type.
  3. Infinitely large creatures you control until end of turn.
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