This search category entry details every card that halves the currently DEF of a monster(s). For cards that changes the DEF of a monster(s) to half its original DEF, see Changes DEF value and Changes own DEF value.
All TCG/OCG "Halves DEF" cards[]
| Japanese name | Primary type | Secondary type | Attribute | Type | Level/ Rank | ATK | DEF | |
|---|---|---|---|---|---|---|---|---|
| Archfiend Emperor, the First Lord of Horror | 戦慄の凶皇－ジェネシス・デーモン | Effect Monster | DARK | Fiend | 8 | 3000 | 2000 | |
| Floowandereeze & Empen | ふわんだりぃず×えんぺん | Effect Monster | WIND | Winged Beast | 10 | 2700 | 1000 | |
| Gaia Plate the Earth Giant | 地球巨人 ガイア・プレート | Effect Monster | EARTH | Rock | 8 | 2800 | 1000 | |
| Heavy Freight Train Derricrane | 重機貨列車デリックレーン | Effect Monster | EARTH | Machine | 10 | 2800 | 2000 | |
| Hourglass of Courage | 勇気の砂時計 | Effect Monster | LIGHT | Fairy | 4 | 1100 | 1200 | |
| Max Warrior | マックス・ウォリアー | Effect Monster | WIND | Warrior | 4 | 1800 | 800 | |
| Mythical Beast Medusa | 魔導獣 メデューサ | Effect Monster Pendulum Monster | LIGHT | Spellcaster | 4 | 1500 | 1500 | |
| Segmental Dragon | セグメンタル・ドラゴン | Effect Monster | LIGHT | Cyberse | 7 | 2600 | 2400 | |
| Solar Wind Jammer | 太陽風帆船 | Effect Monster | LIGHT | Machine | 5 | 800 | 2400 | |
| The Wicked Dreadroot | 邪神ドレッド・ルート | Effect Monster | DARK | Fiend | 10 | 4000 | 4000 | |
| Yuki-Onna, the Ice Mayakashi | 氷の魔妖－雪女 | Effect Monster Link Monster | WATER | Zombie | 1900 |
| Japanese name | Card type | Property | |
|---|---|---|---|
| Eternal Sunshine | エターナル・サンシャイン | Trap Card Continuous Trap Card | Continuous Trap Card |