Ironclaw Orcs

Ironclaw Orcs can't block creatures with power 2 or greater.

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Relic Barrier

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Atog

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Mountain

Orcish Artillery

{T}: Orcish Artillery deals 2 damage to any target and 3 damage to you.

Blood Lust

If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

Mox Ruby

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Hurr Jackal

{T}: Target creature can't be regenerated this turn.

Brass Man

Brass Man doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {1}. If you do, untap Brass Man.

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Shatter

Feldon's Cane

{T}, Exile this artifact: Shuffle your graveyard into your library.

Fork

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.