You can tribute a monster you control to special summon any fusion monster from your extra deck with the same level, allowing you to get some insanely powerful cards out on the field without putting in any effort
That said, a Common might be the most frequent card pulled from a "core" or quarterly tentpole booster packs, but an Ultra Rare might be the most frequent card in a non-core booster if that booster is an all-foil release
banish all monsters your opponent controls, also, for the rest of this turn, halve the battle damage your opponent takes
he lacks confidence, and has no respect either for himself or for others as duelists, childishly demanding the other party buying sandwiches for him and hiding behind the player character like a shield
Pure Trickstar has a more difficult time with Sky Striker, though its not an unwinnable matchup by any means