Bastion Inventor
~$0.03 low · ~$0.23 high
Blue. Creature — Vedalken Artificer
Aether Revolt #30 · Illustrated by Tony Foti
Aether Revolt #30 · Illustrated by Tony FotiWhat is Bastion Inventor worth?
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TCGplayer market prices in USD, updated October 14, 2026. Each price is for one printing and one finish.
Oracle text
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 
.)
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
4/4
"This armor transcends the limitations of mere flesh and bone."
Format legality
All 2 printings of Bastion Inventor
| Printing | Rarity | Non-foil | Foil | Cardmarket (EUR) | My collection |
|---|---|---|---|---|---|
 The List plst #AER-30· 2019common· Cardmarket €0.06 | common | $0.23 | No foil printing | €0.06 | |
 Aether Revolt aer #30· 2017common· Cardmarket €0.04 · €0.17 foil | common | $0.03 | — | €0.04€0.17 foil |
Prices are TCGplayer market prices in USD for each printing and finish, via Scryfall. They are a guide, not an appraisal.
Where to buy Bastion Inventor
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Card details
- First printed
- 2017
- Printings
- 2
- Mana value
- 6
- EDHREC rank
- #28,842 on EDHREC (Commander popularity)
- Keywords
- Improvise, Hexproof
- Artist
- Tony Foti
Rulings (8)
2017-02-09
Improvise can’t be used to pay for anything other than the cost of casting the spell. For example, it can’t be used during the resolution of an ability that says “Counter target spell unless its controller pays
.”2017-02-09
Equipment attached to a creature doesn’t become tapped when that creature becomes tapped, and tapping that Equipment doesn’t cause the creature to become tapped.
2017-02-09
When calculating a spell’s total cost, include any alternative costs, additional costs, or anything else that increases or reduces the cost to cast the spell. Improvise applies after the total cost is calculated.
2017-02-09
Tapping an artifact won’t cause its abilities to stop applying unless those abilities say so.
2017-02-09
Improvise can’t pay for
, , 
, 
, 
, or 
mana symbols in a spell’s total cost.2017-02-09
If an artifact you control has a mana ability with
in the cost, activating that ability while casting a spell with improvise will result in the artifact being tapped when you pay the spell’s costs. You won’t be able to tap it again for improvise. Similarly, if you sacrifice an artifact to activate a mana ability while casting a spell with improvise, that artifact won’t be on the battlefield when you pay the spell’s costs, so you won’t be able to tap it for improvise.2017-02-09
Because improvise isn’t an alternative cost, it can be used in conjunction with alternative costs.
2017-02-09
Improvise doesn’t change a spell’s mana cost or mana value.
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