Startling Development 
Instant
Appears in 152 of 23,079 decks (0.7%).
Appears with these commanders:
| Commander | Decks ↓ | Synergy |
|---|---|---|
| Lazotep Chancellor | 16 | 0.08 |
| Tetsuko Umezawa, Fugitive | 7 | 0.06 |
| Sailors' Bane | 7 | 0.05 |
| Stormchaser Drake | 6 | 0.23 |
| Beamsplitter Mage | 6 | 0.1 |
| Invisible Stalker | 5 | 0.1 |
| Shadowstorm Vizier | 4 | 0.3 |
| Murmuring Mystic | 4 | 0.02 |
| Queza, Augur of Agonies | 4 | 0.0 |
| Balmor, Battlemage Captain | 4 | 0.0 |
| Mischievous Catgeist // Catlike Curiosity | 3 | 0.99 |
| Scrounging Skyray | 3 | 0.74 |
| Shoreline Looter | 3 | 0.42 |
| Animating Faerie // Bring to Life | 3 | 0.18 |
| Lorescale Coatl | 3 | 0.06 |
| Sprite Dragon | 3 | 0.01 |
| Kheru Goldkeeper | 3 | 0.01 |
| Crackling Drake | 3 | 0.0 |
| Clone | 2 | 0.66 |
| Triton Fortune Hunter | 2 | 0.28 |
| Pteramander | 2 | 0.24 |
| Viral Drake | 2 | 0.18 |
| Emrakul's Messenger | 2 | 0.18 |
| Mischievous Mystic | 2 | 0.18 |
| Johann, Apprentice Sorcerer | 2 | 0.05 |
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