| Damage shield | | 10 | 30 | Reduces enemy damage by 20%. | |
| Easy-Peasy Counters | | 10 | 20 | Holding the button makes counters easier, allowing you to float in the air when you jump and increasing your hammer for those encounters. | |
| Kaboom attack | | 10 | 30 | Get an excellent rating with a jump or hammer attack to also damage nearby targets. | |
| Surprise iron ball | 20 | 10 | 30 | When you get an Excellent rating with a jump or hammer attack, an iron ball falls on the target to deal more damage. | |
| Staggering attack | 20 | 15 | 20 | Increases the damage you do with Jump and Hammer attacks by 15%. Also, an Excellent rating can make a target dizzy. | |
| Determined guard | 15 | 5 | 20 | Prevents the effects of Trip and Dizzy. | |
| Auto-mushroom | 20 | 5 | 20 | When your HP gets low, a Mushroom is automatically used. | |
| Automatic syrup pot | 20 | 5 | 20 | When your blood pressure becomes low, a syrup jar is automatically used. | |
| Car spice | 15 | 5 | 20 | Whenever you get a status effect, a refreshing herb is automatically used. | |
| Specialist against flies | 30 | 10 | 30 | Jump attacks on flying enemies are guaranteed critical hits. | Make 4 battle plugs |
| Specialist against peaks | 30 | 10 | 30 | Hammer attacks on spiky enemies are guaranteed critical hits. | Make 4 battle plugs |
| Empower counters | 30 | 10 | 20 | Turns jump counters into ground pounds and charges hammer counters to deal an additional 30% damage. | Make 4 battle plugs |
| Automatic 1-on-1 | 30 | 3 | 20 | When either brother is KO’d, a 1-Up Mushroom is automatically used. | Make 4 battle plugs |
| Loot booster | 30 | 10 | 20 | Makes defeated enemies more likely to drop items. | Make 4 battle plugs |
| Performance bonus | 40 | 3 | 20 | Restores 50% of the BP used in a Bros. attack that earns an Excellent rating. | Make 8 battle plugs |
| Car Excellent | 40 | 5 | 20 | Automatically rates Jump, Hammer, and Bros. attacks as Excellent. | Make 8 battle plugs |
| Spicy article | 40 | 5 | 20 | Using an item can improve various stats. | Make 8 battle plugs |
| Boomerang items | 40 | 5 | 30 | Items you use return to your inventory. | Make 8 battle plugs |
| Coin pillar | 40 | 20 | 20 | Causes enemies to drop coins every time you damage them, proportional to the damage dealt. | Make 8 battle plugs |
| Fiery attack | 50 | 15 | 20 | Increases the damage you deal with Jump and Hammer attacks by 15%. If you get an Excellent, your target may also be burned. | Make 12 battle plugs |
| Icy attack | 50 | 15 | 20 | Increases the damage you deal with Jump and Hammer attacks by 15%. If you get an Excellent, your target may also become frozen. | Make 12 battle plugs |
| Attack boost | 50 | 10 | 30 | Gives you one extra jump or hammer attack. | Make 12 battle plugs |
| Bros.Boost | 50 | 5 | 30 | Increases damage dealt by Bros. Attacks by 20%, but also increases BP expenditure by 100%. | Make 12 battle plugs |
| Luxury car | 50 | 15 | 15 | The Auto Series Battle Plugs automatically selects the most efficient recovery item for your current condition. | Make 12 battle plugs |
| Kaboom attack (II) | 60 | 10 | 30 | Get an excellent rating with a jump or hammer attack to also damage nearby targets. | Make 17 battle plugs |
| Surprise iron ball (II) | 60 | 10 | 30 | When you get an Excellent rating with a jump or hammer attack, an iron ball falls on the target to deal more damage. | Make 17 battle plugs |
| Not droppin | 60 | 5 | 30 | If you have at least 2 HP and take enough damage to be KO’d, you’ll be left at 1 HP instead. | Make 17 battle plugs |
| Back Atcha Attack | 60 | 3 | 30 | Taking damage sometimes triggers an additional jump or hammer attack on the attacker. | Make 17 battle plugs |
| Fast charging | 60 | 5 | 20 | When another equipped plug runs out of charge, the charging time is reduced by 50%. | Make 17 battle plugs |
| Second aid | 70 | 5 | 30 | When you use an item, you use two identical items from your inventory to give both benefits. | Make 22 battle plugs |
| Countdown to healing | 70 | 15 | 15 | The number of charges decreases at the end of each turn. When the number reaches zero, HP and BP are 100% restored. | Make 22 battle plugs |
| Countdown to charge | 70 | 15 | 15 | The number of charges decreases at the end of each turn. When it reaches zero, all other equipped plugs will be charged to 50%. | Make 22 battle plugs |
| Cost bank | 70 | 3 | 20 | When another equipped plug loses charge, this plug’s charge decreases. | Make 22 battle plugs |
| Specialist against the army | | 10 | 30 | Jump and Hammer attacks on Bowser’s army are guaranteed critical hits | Earned through story progression |
| Anti-Zokket specialist | | 10 | 30 | Jump and hammer attacks against Zok troops are guaranteed critical hits. | Earned through story progression |
| Temperature guard | | 5 | 20 | Prevents the effects of burns and ice. | Earned through story progression |
| Automatic Ampberry | | 5 | 20 | If you suffer from Glohm, you automatically use an Ampberry. | Earned through story progression |