I'll analyze the performance of Sink into Stupor vs Otawara in Affinity decks by looking at recent tournament data.
Now let me search for both cards to get their IDs and check their presence in Affinity decks.
Let me check the recent card adoption in Affinity to see which of these cards are being played.
Now let me query the database to compare the performance of decks playing Sink into Stupor vs Otawara in Affinity.
Let me also get some recent tournament sources for context.
Based on the tournament data from the past 2 months, Otawara performs significantly better than Sink into Stupor in Affinity decks. Otawara appears in 86 Affinity entries with a 51.0% winrate, while Sink into Stupor appears in only 20 entries with a 41.1% winrate.
The adoption rates also tell a clear story: Otawara is played in 63.7% of Affinity decks compared to just 14.8% for Sink into Stupor. This suggests that competitive players have tested both options and consistently favor Otawara. The larger sample size of Otawara entries (86 vs 20) makes the performance comparison more reliable.
The 10-point winrate difference (51.0% vs 41.1%) indicates that Otawara's versatility as both a utility land and a removal spell via its channel ability provides more value than Sink into Stupor's modal nature. Otawara's ability to bounce any nonland permanent while still functioning as a blue source appears to be better suited for Affinity's gameplan.
Sources: Data from 81 tournaments: 86.4% MTGO, 13.6% Melee. Recent events include https://www.mtgo.com/decklist/modern-challenge-32-2025-09-1512814298, https://www.mtgo.com/decklist/modern-showcase-challenge-2025-09-1412814234, and https://www.mtgo.com/decklist/modern-challenge-32-2025-09-1412814287.