Urza, Lord High Artificer A great hint to the most busted cards in Magic lies within the Power Nine
Sword of Vengeance [Cat deck]: A great way to make one of your cats almost like Baneslayer Angel (Flying, first strike, lifelink, protection from Demons and from Dragons)
Rather than challenging your opponent directly, the game plan is to get more value from your board than your opponent can from theirs, faster - while also using tricks to disrupt them and Bodyguards to protect your more important characters
Each card also shows its set code: FIN, FIC, or FCA
Typically you play a lot of consistent ramp rather than some heavy ramp
But until you understand the proper dimensions of these cards, you may be missing out on all of this value