William Wu

Its collapse is like the lashing out of a long-dead civilization that resents being forgotten.

Unstable Obelisk

{T}: Add {C}.
{7}, {T}, Sacrifice Unstable Obelisk: Destroy target permanent.

{T}: Add {C}.
{7}, {T}, Sacrifice this artifact: Destroy target permanent.

Tempt with Discovery

Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.

Stand against the crash of the river's rapids and you will know the power of the naiads.

Whitewater Naiads

Constellation — Whenever Whitewater Naiads or another enchantment enters the battlefield under your control, target creature can't be blocked this turn.

Constellation — Whenever this creature or another enchantment you control enters, target creature can't be blocked this turn.

"Purge the damned, for they have no place among the righteous!"
—Seeta of Thraben

Curse of the Forsaken

Enchant player
Whenever a creature attacks enchanted player, its controller gains 1 life.

Wasteland

{T}: Add {C} to your mana pool.
{T}, Sacrifice Wasteland: Destroy target nonbasic land.

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target nonbasic land.