Urborg, Tomb of Yawgmoth [From the Vault: Realms] 147 Set: Majestic Dawn Type: Energy

Set: Majestic Dawn Type: Energy Rarity: Uncommon Retreat cost: null Call Energy provide C Energy

sacrifice Dragon Whelp at the beginning of the next end step

return to its owner's hand each creature that player controls with power greater than the number of cards in their hand

then you can reveal 1 "Dark Magician" or 1 Spell/Trap Card that specifically lists the card "Dark Magician"

Urborg, Tomb of Yawgmoth [From the Vault: Realms] 147 Set: Majestic Dawn Type: EnergySet: From the Vault: Realms Type: Legendary Land Rarity: Mythic Cost: Each land is a Swamp in addition to its other land types. "Yawgmoth's corpse is a wound in the universe. His foul blood seeps out, infecting the land with his final curse." Lord Windgrace