4B
Artifact Creature - Golem (1/2)
Threshold - If you have seven or more cards in your graveyard, All untapped enchantments can't be the target of spells and activated abilities
3: draw a card, then discard a card

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Land
~this~ enters the battlefield tapped.
T: add B to your mana pool

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4GG
Creature - Elf Shaman (2/2)
At the beginning of your upkeep, add 2G to your mana pool

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AlexChurchill/MagicCardGenerator