Land
2, T, sacrifice ~this~: search your library for a land card and put it into the battlefield, then shuffle your library

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G
Creature - Elf Druid (1/1)
Pay 4 life: put a 2/2 green Snake creature token onto the battlefield
Sacrifice ~this~, sacrifice a Snake: each player may search his or her library for up to two basic land cards and put them into hand. Each player who searched his or her library this way shuffles it.

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R
Enchantment
All libraries gain ''3R, Sacrifice a land: destroy target land. It can't be regenerated.''
Sacrifice ~this~: target enchantment gains protection from white (This effect doesn't end)
When ~this~ enters the battlefield, add 1R to your mana pool

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AlexChurchill/MagicCardGenerator