Mutant Dragonoid Card is dropped by Mutant Dragonoid (10.00%) who can be found in the Endless Tower (10 in floor 67), cmd_fild03, and hu_fild05. The card allows for a 5% chance of automatically casting Fire Ball [Lv:3] when doing a physical attack. The level of the skill will be higher if the user already has the skill at a higher level.