4U
Artifact
1W: target Forest gains ''protection from artifact creatures'' until end of turn

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3GGGG
Creature - Treefolk Druid (1/2)
Whenever a Snake is returned to its owner's hand, you may pay X green mana, where X is the number of lands on the battlefield. If you do, flip ~this~.
T, Sacrifice ~this~: regenerate up to four target Snakes and clash with an opponent. If you win, draw two cards
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Legendary Enchantment
activated abilities that aren't mana abilities cost all players up to 4 less to cast

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R
Creature - Human Warrior (3/2)
All lands gain protection from white

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AlexChurchill/MagicCardGenerator