There are certain stones even dwarves know to leave in the earth.

Miner's Bane

{2}{R}: Miner's Bane gets +1/+0 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

The List

Magic 2015

{2}{R}: Miner's Bane gets +1/+0 and gains trample until end of turn. (If it would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.)