Dwarven Berserker

Whenever Dwarven Berserker becomes blocked, it gets +3/+0 and gains trample until end of turn.

Brute Strength

Target creature gets +3/+1 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Lightning Bolt deals 3 damage to any target.

Target attacking creature gets +3/+3 until end of turn. If it's an artifact creature, it gains trample until end of turn.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

{T}: Target creature with power 2 or less can't be blocked this turn.

Target creature gets +3/+1 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Target creature gets +3/+3 until end of turn.

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

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