If every card in your main deck already performs well against a control deck, those 15 sideboard slots will be best used against other decks
Blitzball Captain At the beginning of your end step, if a counter was put on Wakka this turn, put a +1/+1 counter on each other creature you control
Sure, we got our first hero and villain precon too, but the underlying strategies for those decks arent anything new
Create a token thats a copy of target permanent, except its a 4/4 Dragon creature with flying in addition to its other types
Tributing Dark Strike Fighter itself would directly cause 1400 points of damage to the opponent -- not much in itself, but when paired with a tribute of other Monsters of the same level, this quickly becomes a whopping 7000 Life Points in one turn -- and that was in the days before the Extra Monster Zone
P/T Number 458 Language Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) You may choose to discard your hand even if your hand contains zero cards