Six (Borderless) [Modern Horizons 3] Mythical Dragon Set: HeartGold & SoulSilver: Unleashed

Set: HeartGold & SoulSilver: Unleashed Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

or 1 card that specifically lists the card "Toon World" in its text

Set: The Legend of Blue Eyes White Dragon Card type: Normal Monster Rarity: Ultra Rare Attack: 2500 Defense: 2100 The ultimate wizard in terms of attack and defense

Set: Classic Collection Card type: Digimon Rarity: Uncommon Digi type: Beast Play Cost: 5 Form: Champion Attribute: Vaccine Digivolve Cost: 2 Digivolve Cost Level: 3 [When Attacking][Once Per Turn] You may play 1 [Matt Ishida] with a play cost of 3 or less from your hand without paying its memory cost

Six (Borderless) [Modern Horizons 3] Mythical Dragon Set: HeartGold & SoulSilver: UnleashedSet: Modern Horizons 3 Type: Legendary Creature Treefolk Rarity: Rare Cost: {2}{G} Reach Whenever Six attacks, mill three cards. You may put a land card from among them into your hand. As long as it's your turn, nonland permanent cards in your graveyard have retrace. (You may cast permanent cards from your graveyard by discarding a land card in addition to paying their other costs.)