Shrink
| Name | Shrink |
| Card Type | Spell Card |
| Property |
Quick-Play 
|
| Status (TCG) | Unlimited |
Target 1 face-up monster on the field; its original ATK becomes halved until the end of this turn.
Expansions
| 2020-11-26 | Speed Duel: Battle City Box | SBCB-EN099 |
|
| 2018-03-08 | Legendary Collection Kaiba Mega Pack | LCKC-EN043 |
|
| 2016-10-20 | Structure Deck: Seto Kaiba | SDKS-EN025 |
|
| 2016-10-06 | Legendary Decks II | LDK2-ENK24 |
|
| 2016-04-14 | Millennium Pack | MIL1-EN018 |
|
| 2013-12-06 | Starter Deck: Kaiba Reloaded | YSKR-EN037 |
|
| 2013-06-28 | Battle Pack 2: War of the Giants | BP02-EN146 |
|
| 2010-02-19 | Machina Mayhem Structure Deck | SDMM-EN024 |
|
| 2008-10-21 | Zombie World Structure Deck | SDZW-EN027 |
|
| 2007-03-14 | Strike of Neos | STON-ENSE2 |
|
| 2006-10-28 | Pharaoh Tour Promos | PT02-EN001 |
|
| 2006-05-06 | Shonen Jump Championship 2009 | SJC-EN003 |
|