Siege Modification
Enchantment — Aura
Enchant creature or Vehicle
As long as enchanted permanent is a Vehicle, it's a creature in addition to its other types.
Enchanted creature gets +3/+0 and has first strike.
- CMC
- 3
- Mana cost
- Color identity
- R
- Rarity
- uncommon
- Set
- Aether Revolt
- Price
- $0.29
- EDHREC rank
- #16635
Siege Modification turns any Vehicle into a permanent 4/4 creature threat with first strike, attached to whatever you were already running — no crew cost, no tap, no waiting. Balthier and Fran decks lean on this hard because it converts a Vehicle into an always-on attacker while keeping the Equipment synergy package intact.
Best Commanders
Commanders with the highest synergy
Balthier and Fran
Balthier and Fran wants Vehicles crewing constantly, and Siege Modification eliminates that requirement entirely — whatever Vehicle you enchant is live every combat, freeing your creatures to attack rather than crew.
Kolodin, Triumph Caster
Kolodin, Triumph Caster cares about modified creatures, and Siege Modification delivers that status immediately while also animating a Vehicle — one card doing double duty inside the same engine.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Siege Modification is a Commander card through and through — the payoff scales with singleton Vehicle shells that have time to set up, and the commanders who want it most exist only in that format. In Modern and Pioneer it's legal but essentially unplayed; a three-mana Aura that relies on a Vehicle staying on the battlefield is too fragile and too slow against interactive decks that answer both pieces with a single removal spell. Legacy and Vintage offer no real home either, since Vehicles are absent from those metagames entirely. Stick to Commander, specifically any deck where animating a Vehicle unconditionally generates a meaningful, repeatable threat.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.29 bulk tier
At $0.29, Siege Modification is deep bulk — pick up as many copies as you need without a second thought. Niche enchantments tied to a specific card type rarely spike unless a Commander precon pushes the archetype hard, so expect the price to stay in this range.
Explore
Sources
Mentioned
- Balthier and Fran
- Kolodin, Triumph Caster
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.