Masters Edition II

Deep Spawn

Trample
At the beginning of your upkeep, sacrifice Deep Spawn unless you put the top two cards of your library into your graveyard.
{U}: Deep Spawn gains shroud until end of turn and doesn't untap during your next untap step. Tap Deep Spawn.

Trample
At the beginning of your upkeep, sacrifice Deep Spawn unless you mill two cards.
{U}: Deep Spawn gains shroud until end of turn and doesn't untap during your next untap step. Tap Deep Spawn. (A creature with shroud can't be the target of spells or abilities.)

Fallen Empires

Trample
During your upkeep, take two cards from the top of your library and put them in your graveyard, or destroy Deep Spawn.
oo
U Deep Spawn may not be the target of spells or effects until end of turn and does not untap as normal during your next untap phase. If Deep Spawn is untapped, tap it.