Reverse Engineer Price
7 printings · 7 sets · first printed 2017
Reverse Engineer has been printed 7 times across 7 sets, first in 2017 and most recently in 2023. Right now the cheapest printing is Commander Masters #116 at $0.18, while the most expensive is Friday Night Magic 2017 #7 at $0.41 — about 2× more. The median across 5 priced printings is $0.20. Reprint risk: HIGH RISK — Reprinted 7x, including dedicated reprint sets like Commander Masters, March of the Machine Commander.
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Every Reverse Engineer Printing, Compared
Cheapest first · unpriced last| Printing | Year | Price | Dealer Buys |
|---|---|---|---|
| Commander Masters #116 (C) Cheapest | 2023 | $0.18 | — |
| Aether Revolt #42 (U) | 2017 | $0.19 | $0.03 |
| Commander 2018 #99 (U) | 2018 | $0.20 | — |
| March of the Machine Commander #232 (U) | 2023 | $0.36 | — |
| Friday Night Magic 2017 #7 (R) Foil | 2017 | $0.41 | $0.05 foil |
| Historic Anthology 5 #7 (U) | 2021 | — | — |
| Magic Online Promos #64995 (U) Foil | 2017 | — | — |
Prices are the latest nightly market price; a printing with no tracked price shows a dash. Dealer buylist is Card Kingdom's current offer via MTGJSON, shown where one exists.
.)Draw three cards.
Legality is a property of the card, not the printing, so it is identical for all 7 versions.
Official Judge Precedents
8 PrecedentsImprovise doesn't change a spell's mana cost or mana value.
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.
Improvise can't pay for 
, , 
, 
, 
, or 
mana symbols in a spell's total cost.
Tapping an artifact won't cause its abilities to stop applying unless those abilities say so.
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.
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.
When using improvise to cast a spell with 
in its mana cost, first choose the value for X. That choice, plus any cost increases or decreases, will determine the spell's total cost. Then you can tap artifacts you control to help pay that cost. For example, if you cast Saheeli's Directive and choose X to be 3, the total cost is . If you tap two artifacts, you'll have to pay .
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 .”