Uncertain summon and uncertain spell

[Landrisce]

Uncertain summon is a type of summoning that requires a condition of a certain summon but results in other to do a unstable summon uncertain spells are necesary they have a question symbol inside crest inside of a circle

Example of uncertain spell

Rise of max destruction

A dark atribute monster + A light atribute monster

Send the mentioned materials to graveyard this is treathed as a fusion summon then sp summon blue eyes chaos max dragon

 

As well rise of max destruction summon blue eyes chaos max dragon as a fusion but is a ritual monster