Barrel Dragon [DB2-EN072] Ultra Rare Elemental Hero Collection 2 You can only use each

You can only use each of these effects of "Harpie Harpist" once per turn

Set: Cosmo Blazer Card type: Normal Spell Rarity: Secret Rare Attack: 0 Defense: 0 If you control a Spellcaster-Type monster: You can reveal 1 other "Spellbook" card in your hand to target 1 "Spellbook" Normal Spell Card in your Graveyard

Set: GX Ultimate Beginner's Pack 1 Card type: Effect Monster Rarity: Secret Rare Attack: 1000 Defense: 1000 When you have "Right Leg of the Forbidden One"

2 Super Rares

while this card is equipped to a monster as an Equip Card by a card effect

Barrel Dragon [DB2-EN072] Ultra Rare Elemental Hero Collection 2 You can only use eachSet: Dark Beginning 2 Card type: Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 2200 Toss a coin 3 times. If 2 out of 3 results are Heads, destroy 1 monster on your opponent's side of the Field. You can only use this effect once per turn, during your Main Phase.