Adding 20 cards to your deck seems like a massive drawback that would hamper the consistency of your deck yet Yorion got the ban hammer in several formats, and some Modern decks still tinker with 80 cards, even without the extra creature in their sideboard
Salt Road Patrol Is this the nonsense the skeptical among you were expecting
BT13-045 R Digimon Lv.6 KingChessmon Color Yellow Black Cost 13 DP 11000 Digivolve Cost 1 YellowBlack 4 from Lv.5 Form Mega Attribute Virus Type Puppet Card Text 1 [Special Digivolution Condition] [Digivolve] 3 from Lv.5 w/[Chessmon] in name [Effect] When you would play this card from the hand, if you have 8 or more Digimon cards with [Chessmon] in their names in your trash, reduce the play cost by 8
any battle damage your opponent takes becomes halved for the rest of this turn, also Special Summon that monster, and if you do, take 1000 damage
Kefka Palazzo Purphoros, God of the Forge is usually not a very good Limited card
Better presentation: Blister packs often have more attractive packaging and are therefore more suitable as gifts