Events may offer bonus Wonder Picks that have special cards, or they may add new solo battle challenges that unlock promo packs when you complete them
Etherium-Horn Sorcerer can do all of this in one card
This should be one of the first ramp considerations in almost every deck, because of the flexibility it provides
When enchanted creature dies, if that creature was a Horror, return this card to its owner's hand
He also supplements his Deck with "Rank-Up-Magic" cards such as "Rank-Up-Magic - The Seventh One", which lets him Rank-Up his "Over-Hundred Number" from the Graveyard, field or Extra Deck and "Rank-Up-Magic Quick Chaos", a Quick-Play Spell Card which allowed him to instantly Rank-Up his "Number 73: Abyss Splash" into "Number C73: Abyss Supra Splash"
Add 1 Digimon card with [Greymon] in its name (other than [DoruGreymon], [BurningGreymon], or [DexDoruGreymon]) and 1 Digimon card with [Omnimon] in its name among them to your hand