Exploding Borders
{2}{R}{G}
Sorcery
Domain -- Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. ~this~ deals X damage to target player or planeswalker, where X is the number of basic land types among lands you control.
Flaming Gambit
{X}{R}
Instant
~this~ deals X damage to target player or planeswalker. That player or that planeswalker's controller may choose a creature they control and have ~this~ deal that damage to it instead.
Flashback {X}{R}{R} (You may cast ~this~ from your graveyard for its flashback cost. Then exile it.)
Haunting Misery
{1}{B}{B}
Sorcery
As an additional cost to cast ~this~, exile X creature cards from your graveyard.
~this~ deals X damage to target player or planeswalker.