Startling Development 
Instant
Appears in 119 of 17,489 decks (0.7%).
Appears with these commanders:
| Commander | Decks ↓ | Synergy |
|---|---|---|
| Lazotep Chancellor | 12 | 0.08 |
| Sailors' Bane | 7 | 0.06 |
| Stormchaser Drake | 6 | 0.27 |
| Beamsplitter Mage | 6 | 0.14 |
| Tetsuko Umezawa, Fugitive | 5 | 0.04 |
| Shadowstorm Vizier | 4 | 0.33 |
| Invisible Stalker | 4 | 0.09 |
| Mischievous Catgeist // Catlike Curiosity | 3 | 0.99 |
| Lorescale Coatl | 3 | 0.07 |
| Sprite Dragon | 3 | 0.02 |
| Murmuring Mystic | 3 | 0.01 |
| Queza, Augur of Agonies | 3 | 0.0 |
| Clone | 2 | 0.99 |
| Triton Fortune Hunter | 2 | 0.49 |
| Shoreline Looter | 2 | 0.49 |
| Pteramander | 2 | 0.24 |
| The Mouth of Sauron | 2 | 0.05 |
| Rona, Sheoldred's Faithful | 2 | 0.02 |
| Ghost of Ramirez DePietro + Tormod, the Desecrator | 2 | 0.0 |
| Balmor, Battlemage Captain | 2 | 0.0 |
| Malcolm, Keen-Eyed Navigator + Kediss, Emberclaw Familiar | 2 | 0.0 |
| Crackling Drake | 2 | 0.0 |
| Patagia Viper | 1 | 0.99 |
| Kenku Artificer | 1 | 0.99 |
| Merrow Harbinger | 1 | 0.99 |
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