Su-Chi

When this creature dies, add {C}{C}{C}{C}.

Badlands

City of Brass

Whenever this land becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Sinkhole

Atog

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Mountain

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Sol Ring

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Black Vise

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is the number of cards in their hand minus 4.

Shatter

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Stone Rain

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

Sedge Troll

This creature gets +1/+1 as long as you control a Swamp.
{B}: Regenerate this creature.