3B
Enchantment - Aura
Enchant creature
Sacrifice a Zombie, Sacrifice ~this~: two target creatures with toughness X or less, where X is the number of card types among permanents you control (The card types are artifact, creature, enchantment, instant, land, planeswalker, sorcery and tribal) get -4/-4 until end of turn
Whenever enchanted creature is put into a graveyard from the battlefield, an opponent gets 2 poison counters

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(W/B)
Sorcery
change the text of target artifact spell by replacing all instances of one basic land type with another. (This effect doesn't end at end of turn.)

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Land
T: add 1 to your mana pool. Spend this mana only on spells.
Tap an untapped permanent you control, T, sacrifice ~this~: each player may search his or her library for up to four basic land cards and put them into hand. Each player who searched his or her library this way shuffles it.

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AlexChurchill/MagicCardGenerator