Barrel Dragon [LART-EN037] Ultra Rare Trap if an effect of "Kashtira

if an effect of "Kashtira Shangri-Ira" was successfully activated this turn

This card can attack all monsters on your opponent''s side of the field once

Remove 3 Spell Counters from this card to destroy all monsters on the field except this card

If you activate this effect

each time a card(s) is banished: Attach 1 banished card to this card as material

Barrel Dragon [LART-EN037] Ultra Rare Trap if an effect of "KashtiraSet: The Lost Art Promotion Card type: Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 2200 Once per turn: You can target 1 monster your opponent controls; toss a coin 3 times and destroy it if at least 2 of the results are heads.