4GGG
Sorcery - Arcane
Choose one: each player may search his or her library for up to two land cards and put them into the battlefield. Each player who searched his or her library this way shuffles it.; or destroy target nonlegendary tapped artifact an opponent controls. It can't be regenerated.; or all Dragons gain trample (This effect doesn't end)

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Land
~this~ enters the battlefield tapped.
T: add B to your mana pool
WUBRG, Sacrifice a land, T: add one mana of any colour to your mana pool

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3RRR
Instant
destroy all lands

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AlexChurchill/MagicCardGenerator