Hellion Crucible
Land
{T}: Add {C}.
{1}{R}, {T}: Put a pressure counter on ~this~.
{1}{R}, {T}, Remove two pressure counters from ~this~ and sacrifice it: Create a 4/4 red Hellion creature token with haste. (It can attack and {T} as soon as it comes under your control.)
Magma Mine
{1}
Artifact
{4}: Put a pressure counter on ~this~.
{T}, Sacrifice ~this~: It deals damage equal to the number of pressure counters on it to any target.
Mount Keralia
Plane -- Regatha
At the beginning of your end step, put a pressure counter on ~this~.
When you planeswalk away from ~this~, it deals damage equal to the number of pressure counters on it to each creature and each planeswalker.
Whenever chaos ensues, prevent all damage that planes named Mount Keralia would deal this game to permanents you control.