The old Korvold, as quoted from Daily MTG, draws cards if you sneeze on it, and while this card is very capable of creating a massive swing and drawing a ton of cards, its much more difficult to connect the dots with it
Magic's best sword is essentially a mana-doubler with disruption attached, and the twin protection abilities make it easy to connect against someone
Marchesa, Dealer of Death Unless your opponent immediately removes Marchesa when you have no mana up, she will replace herself immediately with any incidental crime
, : Put X charge counters on this land
Importantly, though, Zidane Tribal will be getting its own mechanically unique card in the Final Fantasy main set, so no need to fret there
Access to tons of card advantage in your deck usually means you want a higher land count, not lower