In other words, The motif of the ability is the chain system, the combat system of FFXIIIi, and the game system, which fills the chain gauge and brakes the opponent's damage to the opponent, is the ability to double all the damage that enters the player until the next turn comes
Based on the latest market prices tracked on TCG Stacked, Stronghold Assassin is worth about $1.85 USD
Creature - Rogue Specter Sepulchral Primordial Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) When this creature enters, for each opponent, you may put up to one target creature card from that player's graveyard onto the battlefield under your control
This card can be activated from the users hand as long as they do not control other cards and their opponent just conducted their Draw Phase
Not much can be lost if you bought twenty at ten cents each
What makes this fight tough is the changing terrain