Tinker

As an additional cost to cast this spell, sacrifice an artifact.
Search your library for an artifact card and put that card onto the battlefield. Then shuffle your library.

Granite Grip

Enchant creature
Enchanted creature gets +1/+0 for each Mountain you control.

Snap

Return target creature to its owner’s hand. Untap up to two lands.

Okk

Okk can’t attack unless a creature with greater power also attacks.
Okk can’t block unless a creature with greater power also blocks.

Steam Blast

Steam Blast deals 2 damage to each creature and each player.

Raze

As an additional cost to cast this spell, sacrifice a land.
Destroy target land.

Bedlam

Creatures can’t block.

Jagged Lightning

Jagged Lightning deals 3 damage to each of two target creatures.

Falter

Creatures without flying can’t block this turn.

Spike Weaver

Spike Weaver enters the battlefield with three +1/+1 counters on it.
, Remove a +1/+1 counter from Spike Weaver: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from Spike Weaver: Prevent all combat damage that would be dealt this turn.

Free-Range Chicken

: Roll two six-sided dice. If both results are the same, Free-Range Chicken gets +X/+X until end of turn, where X is that result. If the total of those results is equal to any other total you have rolled this turn for this ability, sacrifice it. (For example, if you roll two 3s, it gets +3/+3. If you roll a 4 and a 2 for this ability later that turn, sacrifice it.)

Common Courtesy

Whenever a player casts a spell without asking your permission while casting it, counter that spell.
When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy.

Ghazbán Ogress

When Ghazbán Ogress enters the battlefield, if one player has won more Magic games that day than any other player, that player gains control of Ghazbán Ogress.

Fighting Chance

For each blocking creature, flip a coin. If you win the flip, prevent all combat damage that would be dealt by that creature this turn.

Spike Weaver

Spike Weaver enters the battlefield with three +1/+1 counters on it.
, Remove a +1/+1 counter from Spike Weaver: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from Spike Weaver: Prevent all combat damage that would be dealt this turn.

Mogg Cannon

: Target creature you control gets +1/+0 and gains flying until end of turn. Destroy that creature at the beginning of the next end step.

Ghazbán Ogre

At the beginning of your upkeep, if a player has more life than each other player, the player with the most life gains control of Ghazbán Ogre.

Contagion

You may pay 1 life and exile a black card from your hand rather than pay this spell’s mana cost.
Distribute two -2/-1 counters among one or two target creatures.

Temporary Truce

Each player may draw up to two cards. For each card less than two a player draws this way, that player gains 2 life.

Wrath of God

Destroy all creatures. They can’t be regenerated.