Toon Barrel Dragon [SS04-ENB06] Common BT12-075 Set: Starter Deck: Gaia Red

Set: Starter Deck: Gaia Red Promos Card type: Digi-Egg Rarity: Promo Digi type: Lesser Form: In-Training [Your Turn] While this Digimon has 4 or more digivolution cards

if that Synchro Monster you control battles an opponent's monster

And speaking of ARC-V

Set: Structure Deck: Machina Mayhem Card type: Quick Play Spell Rarity: Common Attack: 0 Defense: 0 Activate only when 1 monster with 1500 or less ATK is Special Summoned to your side of the field while your opponent controls a face-up monster(s)

Toon Barrel Dragon [SS04-ENB06] Common BT12-075 Set: Starter Deck: Gaia RedSet: Speed Duel: Match of the Millennium Card type: Toon Effect Monster Rarity: Common Attack: 2600 Defense: 2200 Cannot attack the turn it is Summoned. While you control "Toon World" and your opponent controls no Toon monsters, this card can attack your opponent directly. Once per turn: You can target 1 card on the field; toss a coin 3 times and destroy it if at least 2 of the results are Heads.