Granted, this path and the ones involving tokens lean a lot more in the combo direction than the mana acceleration direction, but its definitely worth noting Carnival of Souls capability of being useful outside unreliable 3-4 card loops in these strategies, as it gets a bad rap Im not convinced it fully deserves when reading about its capabilities elsewhere
[c]Korvold, Fae-Cursed King[/c] serves as another sac outlet and a win condition too
This guide will cover the 10 true fetch lands, the Mirage cycle of tapped fetches, tri-color fetch land cards, basic land fetching cards and miscellaneous random fetch land cards
Time Walk is another game-breaker, letting you take an entire extra turn
2nd place: Chansey (B2 3) #3 Silver from Base Set 2 goes to Chansey (B2 3)
The more cards you use from your hand, the less mana you'll have available to play the cards you're trying to eliminate