Sunken Hollow

Vigilance (Attacking doesn't cause this creature to tap.) Lifelink (Damage dealt by this creature also causes you to gain that much life.) At the beginning of your upkeep, if you have 40 or more life, you win the game.

Devoid (This card has no color.) Serpentine Spike deals 2 damage to target creature, 3 damage to another target creature, and 4 damage to a third target creature. If a creature dealt damage this way would die this turn, exile it instead.

+1: Until end of turn, Gideon becomes a 5/5 Human Soldier Ally creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn. 0: Create a 2/2 white Knight Ally creature token. −4: You get an emblem with "Creatures you control get +1/+1."

Devoid (This card has no color.) Choose one or both — • Return target spell or creature to its owner's hand. • Brutal Expulsion deals 2 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

Devoid (This card has no color.) When this creature enters, create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this token: Add C." Sacrifice an Eldrazi Scion: Tap target creature.

Whenever you cast an instant or sorcery spell, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land.

Trample Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature. If that land is a Forest, put two +1/+1 counters on this creature instead.

When you cast this spell, you may put two cards your opponents own from exile into their owners' graveyards. If you do, create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this token: Add C."