Flockchaser Phantom
Creature — Spirit
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Flying, vigilance
Whenever this creature attacks, the next spell you cast this turn has convoke.
- CMC
- 6
- Mana cost
- Color identity
- UW
- Rarity
- rare
- Set
- March of the Machine Commander
- Price
- $0.28
- EDHREC rank
- #12843
Flockchaser Phantom enters as a 1/1 flier and grows every time you cast a spell, making it a persistent aerial threat that compounds quickly in spell-heavy builds. Kasla, the Broken Halo decks run it in over 83% of lists because the engine nearly writes itself — cast spells, swing with a larger and larger phantom.
Best Commanders
Commanders with the highest synergy

Kasla, the Broken Halo
Kasla, the Broken Halo triggers Flockchaser Phantom's counter ability through normal gameplay, turning every spell into a permanent power boost on an evasive body that Kasla's own spellslinger loop keeps fueling.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | not legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Flockchaser Phantom is a Commander card through and through — the incremental counter payoff needs time and a critical mass of spells to matter, and a 101-card singleton environment where games go long provides exactly that. In Legacy and Vintage it's technically legal but irrelevant; a 1/1 flier for two that needs setup is far below the power floor those formats demand. Commander is the only place Flockchaser Phantom converts its design into real board presence, especially in Azorius or multicolor spellslinger decks that can reliably trigger it multiple times per turn.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.28 bulk tier
At $0.28, Flockchaser Phantom sits firmly in bulk territory — the kind of card you pick up as an afterthought in a trade binder or a bundle purchase. Bulk commons and uncommons at this price point rarely appreciate unless a breakout commander drives sudden demand, and Kasla, the Broken Halo is the only realistic candidate here.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.