Startling Development 
Instant
Appears in 119 of 17,489 decks (0.7%).
Appears with these commanders:
| Commander | Decks ↓ | Synergy |
|---|---|---|
| Johann, Apprentice Sorcerer | 1 | 0.02 |
| Psychatog | 1 | 0.01 |
| Sedraxis Specter | 1 | 0.01 |
| Risen Reef | 1 | 0.0 |
| Aegar, the Freezing Flame | 1 | 0.0 |
| Slippery Bogle | 1 | 0.0 |
| Ruin Crab | 1 | 0.0 |
| Adeliz, the Cinder Wind | 1 | 0.0 |
| Ghost of Ramirez DePietro + Armix, Filigree Thrasher | 1 | 0.0 |
| Sphinx of the Guildpact | 1 | 0.0 |
| Kangee, Sky Warden | 1 | 0.0 |
| Tatyova, Benthic Druid | 1 | -0.01 |
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