Goblin War Drums

Creatures you control have menace. (They can't be blocked except by two or more creatures.)

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Gauntlet of Might

Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional {R}.

Citanul Druid

Whenever an opponent casts an artifact spell, put a +1/+1 counter on this creature.

Forest

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.

Orcish Cannoneers

{T}: This creature deals 2 damage to any target and 3 damage to you.

Giant Growth

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

Immolation

Enchant creature
Enchanted creature gets +2/-2.

Woolly Mammoths

This creature has trample as long as you control a snow land.

Hammerheim

{T}: Add {R}.
{T}: Target creature loses all landwalk abilities until end of turn.

War Mammoth

Stone Rain

Whirling Dervish

Protection from black
At the beginning of each end step, if this creature dealt damage to an opponent this turn, put a +1/+1 counter on it.

Mountain

Dragon Whelp

Flying
{R}: This creature gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice this creature at the beginning of the next end step.

Thallid

At the beginning of your upkeep, put a spore counter on this creature.
Remove three spore counters from this creature: Create a 1/1 green Saproling creature token.

Balduvian Hydra

This creature enters with X +1/+0 counters on it.
Remove a +1/+0 counter from this creature: Prevent the next 1 damage that would be dealt to it this turn.
{R}{R}{R}: Put a +1/+0 counter on this creature. Activate only during your upkeep.

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Tinder Wall

Defender (This creature can't attack.)
Sacrifice this creature: Add {R}{R}.
{R}, Sacrifice this creature: It deals 2 damage to target creature it's blocking.

Pendelhaven

{T}: Add {G}.
{T}: Target 1/1 creature gets +1/+2 until end of turn.

Shivan Dragon

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

Kird Ape

This creature gets +1/+2 as long as you control a Forest.

Bazaar of Baghdad

{T}: Draw two cards, then discard three cards.

Jayemdae Tome

Grizzly Bears

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Dragon Engine

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

Berserk

Cast this spell only before the combat damage step.
Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.

Shatter

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.

Su-Chi

When this creature dies, add {C}{C}{C}{C}.

Wiitigo

This creature enters with six +1/+1 counters on it.
At the beginning of your upkeep, put a +1/+1 counter on this creature if it has blocked or been blocked since your last upkeep. Otherwise, remove a +1/+1 counter from it.

Elkin Bottle

{3}, {T}: Exile the top card of your library. Until the beginning of your next upkeep, you may play that card.