Most Expensive Structure Deck: Machine Reactor Cards
The most expensive Structure Deck: Machine Reactor card is Ancient Gear Fortress (Unlimited) at $9.95 on TCGplayer. These 25 chase cards are the most valuable in the set, updated on 16 Oct 2026.
0.0%Ancient Gear Fortress
SR03-EN022 · Common · Unlimited
$9.95
down 22.1%Maxx "C"
SR03-EN020 · Common · Unlimited
$7.10
down 0.8%Ancient Gear Wyvern
SR03-EN003 · Super Rare · 1st Edition
$6.18
down 7.3%Galaxy Cyclone
SR03-EN031 · Common · Unlimited
$3.94
down 2.9%Ancient Gear Catapult
SR03-EN021 · Super Rare · 1st Edition
$3.37
up 5.0%Ancient Gear Gadjiltron Dragon
SR03-EN004 · Common · 1st Edition
$2.53
down 1.8%Token: Ancient Gear
SR03-ENTKN · Common · 1st Edition
$1.67
down 0.6%Ancient Gear Reactor Dragon
SR03-EN001 · Ultra Rare · 1st Edition
$1.55
up 4.1%Ancient Gear Beast
SR03-EN007 · Common · Unlimited
$1.27
down 5.5%Ancient Gear Workshop
SR03-EN024 · Common · Unlimited
$1.03
down 3.8%Inferno Reckless Summon
SR03-EN030 · Common · Unlimited
$1.00
down 4.3%Ancient Gear Gadget
SR03-EN000 · Ultra Rare · 1st Edition
$0.88
The 25 most expensive Structure Deck: Machine Reactor cards
| # | Card | Printing | Price | 30 d | |
|---|---|---|---|---|---|
| 1 |  | Ancient Gear Fortress SR03-EN022 · Common | Unlimited | $9.95 | 0.0% |
| 2 |  | Maxx "C" SR03-EN020 · Common | Unlimited | $7.10 | down 22.1% |
| 3 |  | Ancient Gear Wyvern SR03-EN003 · Super Rare | 1st Edition | $6.18 | down 0.8% |
| 4 |  | Galaxy Cyclone SR03-EN031 · Common | Unlimited | $3.94 | down 7.3% |
| 5 |  | Ancient Gear Catapult SR03-EN021 · Super Rare | 1st Edition | $3.37 | down 2.9% |
| 6 |  | Ancient Gear Gadjiltron Dragon SR03-EN004 · Common | 1st Edition | $2.53 | up 5.0% |
| 7 |  | Token: Ancient Gear SR03-ENTKN · Common | 1st Edition | $1.67 | down 1.8% |
| 8 |  | Ancient Gear Reactor Dragon SR03-EN001 · Ultra Rare | 1st Edition | $1.55 | down 0.6% |
| 9 |  | Ancient Gear Beast SR03-EN007 · Common | Unlimited | $1.27 | up 4.1% |
| 10 |  | Ancient Gear Workshop SR03-EN024 · Common | Unlimited | $1.03 | down 5.5% |
| 11 |  | Inferno Reckless Summon SR03-EN030 · Common | Unlimited | $1.00 | down 3.8% |
| 12 |  | Ancient Gear Gadget SR03-EN000 · Ultra Rare | 1st Edition | $0.88 | down 4.3% |
| 13 |  | Geartown SR03-EN025 · Common | Unlimited | $0.77 | 0.0% |
| 14 |  | Geargiauger SR03-EN012 · Common | Unlimited | $0.74 | up 64.4% |
| 15 |  | Jar of Avarice SR03-EN033 · Common | Unlimited | $0.74 | 0.0% |
| 16 |  | Ancient Gear Box SR03-EN011 · Common | Unlimited | $0.71 | down 10.1% |
| 17 |  | Planet Pathfinder SR03-EN013 · Common | Unlimited | $0.70 | down 43.5% |
| 18 |  | Ancient Gear Castle SR03-EN023 · Common | 1st Edition | $0.70 | up 4.5% |
| 19 |  | Ancient Gear Engineer SR03-EN008 · Common | Unlimited | $0.69 | up 21.1% |
| 20 |  | Pseudo Space SR03-EN027 · Common | 1st Edition | $0.65 | 0.0% |
| 21 |  | Ancient Gear Golem SR03-EN005 · Common | Unlimited | $0.58 | up 20.8% |
| 22 |  | Spell Striker SR03-EN019 · Common | 1st Edition | $0.57 | up 3.6% |
| 23 |  | Mischief of the Gnomes SR03-EN034 · Common | 1st Edition | $0.56 | down 39.8% |
| 24 |  | Fiendish Chain SR03-EN036 · Common | 1st Edition | $0.54 | up 10.2% |
| 25 |  | Limiter Removal SR03-EN028 · Common | 1st Edition | $0.50 | up 4.2% |