Edge of Eternities: Stellar Sights

Land

This land enters with a charge counter on it.
{T}: Add {C}.
{X}{X}, {T}: Put X charge counters on this land.
{3}, {T}, Sacrifice this land: Destroy each nonland permanent with mana value equal to the number of charge counters on this land.

Blast Zone

Card

Edge of Eternities Art Series

This land enters tapped.
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
{T}: Add {C}.

Cathedral of War

This land enters tapped.
{T}: Add {B} or {G}.
{1}{B}{G}: Until end of turn, this land becomes a 2/2 black and green Elemental creature with deathtouch. It's still a land.

Hissing Quagmire

{T}: Add {C}.
{2}, {T}: This land becomes a copy of target land, except it has this ability.

Thespian's Stage

Wilds of Eldraine: Enchanting Tales

Enchantment

Whenever a land an opponent controls enters, that player loses 2 life and you gain 2 life.