Ziatora's Proving Ground
Showing 1v1 (duel) data only. 1v1 is a different format from multiplayer Commander, so these numbers are not comparable.
Ziatora's Proving Ground
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This land enters tapped.
Cycling 
(, Discard this card: Draw a card.)Final zone distribution
412 instancesCommanders that played this card
in tracked games-
1
The Ur-Dragon
54 decks
-
2
Jodah, the Unifier
34 decks
-
3
Hearthhull, the Worldseed
29 decks
-
4
Indoraptor, the Perfect Hybrid
19 decks
-
5
Tom Bombadil
19 decks
-
6
Henzie "Toolbox" Torre
18 decks
-
7
Korvold, Fae-Cursed King
18 decks
-
8
The First Sliver
18 decks
-
9
Ezio Auditore da Firenze
15 decks
-
10
Lord Windgrace
13 decks
The "good card" funnel
1283 brought · 519 playersOnce cast, 93% of this card is still on the battlefield at game end. This reflects how often it survives removal, not just whether it's a permanent.
Players who cast this card win 26% of the time (n=282) , vs 25% when it never left the library (n=654).
When players drew this card but left it in hand, they won 25% (n=36).
Read this as correlation, not as the card's contribution. Casting a card means you lived long enough to cast it, so this gap widens with mana value across every card we track.
Observed gap +0.4pp; 95% confidence interval -3.1pp to +3.8pp. Correlational, not causal: powerful payoffs also get cast more often in games you are already winning.