Secret Lair Drop

Vorinclex, Voice of Hunger

Trample
Whenever you tap a land for mana, add one mana of any type that land produced.
Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.

Multiverse Legends

Historic Anthology 5

The List

Iconic Masters

Trample
Whenever you tap a land for mana, add one mana to your mana pool of any type that land produced.
Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.