Burrowing

Enchant creature
Enchanted creature has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)

Conquer

Flying
{X}, {T}: This creature deals X damage to target creature. Spend only red mana on X.

Earthquake deals X damage to each creature without flying and each player.

Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Target creature gets +3/+3 and gains first strike until end of turn.

{R}: This creature gets +1/+0 until end of turn.

Enchant creature
Enchanted creature gets +2/+2.

{T}, Sacrifice this creature: Destroy target Wall.

Whenever this creature blocks or becomes blocked, it gets -1/-1 until end of turn.