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.
Artista: Mike Raabe
Jhoira’s Toolbox
: Regenerate target artifact creature.
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.
Skyshroud Falcon
Flying, vigilance
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.
Talon Sliver
All Sliver creatures have first strike.
Patchwork Gnomes
Discard a card: Regenerate Patchwork Gnomes.
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.
Ardent Militia
Vigilance