Standard 
No modification to the standard gameplay rules and mechanics.
Back to Basics 
Monsters lose all abilities.
Silenced Summoners 
Summoners do not give any stat buffs or debuffs.
Aim True 
Melee and Ranged attacks always hit their target.
Super Sneak 
All Melee attack Monsters have the Sneak ability.
Weak Magic 
Magic attacks hit Armor before reducing Health.
Unprotected 
Monsters do not have any armor and do not get armor from Abilities or Summoner Buffs.
Target Practice 
All Ranged and Magic attack Monsters have the Snipe ability.
Fog of War 
Monsters lose the Sneak and Snipe abilities.
Armored Up 
All Monsters have 2 Armor in addition to their normal Armor stat.
Healed Out 
All healing abilities are removed from Monsters.
Earthquake 
Non-flying Monsters take 2 Melee damage at the end of each round.
Reverse Speed 
Monsters with the lowest Speed attack first and have the highest chance of evading attacks.
Close Range 
Ranged attacks may be used in the first position in battles.
Keep Your Distance 
Monsters with Melee attack may not be used in battles.
Lost Legendaries 
Legendary Monsters may not be used in battles.
Melee Mayhem 
Melee attack Monsters can attack from any position.
Taking Sides 
Neutral Monsters may not be used in battles.
Rise of the Commons 
Only Common and Rare Monsters may be used in battles.
Up Close & Personal 
Only Monsters with Melee attack may be used in battles.
Broken Arrows 
Ranged attack Monsters may not be used in battles.
Little League 
Only Monsters & Summoners that cost 4 Mana or less may be used in battles.
Lost Magic 
Monsters with Magic attack may not be used in battles.
Even Stevens 
Only Monsters with even Mana costs may be used in battles.
Odd Ones Out 
Only Monsters with odd Mana costs may be used in battles.