When your opponent attacks it while it is face down
When it is sent to the graveyard
When you special summon it from your hand to the field
"Elemental Hero Avian" and "Elemental Hero Sparkman"
"Elemental Hero Flame Wingman" and "Elemental Hero Burstinatrix"
"Elemental Hero Flare Wingman" and "Elemental Hero Sparkman"
This card can not be destroyed in battle
This card is unaffected by traps
This card can attack twice in one turn
"Blue Eyes White Dragon"
"VWXYZ Dragon Catapult Cannon"
It would end in a tie and both monsters would be destroyed
Raviel Lord of Phantasms
Here's an interesting quiz for you.