Wizard Mentor (Saga/Legacy/Destiny) An interesting thing occurred at the last third of Urza Block limited: Wizards of the Coast changed the rules of Magic
As another example, if my opening hand has a one-drop, a two-drop, a three-drop and four different four-drops, then I will usually bottom the worst three four-drops in the hope of drawing into a powerful five or six-drop, while keeping the cards that will ensure a perfect 1-2-3-4 curve-out
For five mana, Kyler, Sigardian Emissary will constantly grow with +1/+1 counters whenever a Human comes into play, and give its power to the rest of your Humans
Burning Chains - When the chosen player loses the game, you win the game
Capsize plus Candelabra of Tawnos plus Tolarian Academy also meant infinite mana