Level cards can only be used once. Also, you must beat them in order to save them.
Toad's Hidden Houses are usually for finding lots of coins.

Given
Gotten with the purchase of the game.

Power-Up Cards
Item 03: Super Leaf

Level Cards
01: Wild Ride in the Sky

Wal*Mart Extra Cards
Gotten with the first edition of Wal*Mart's SMA4s.

Power-Up Cards
Item 01: Super Mushroom
Item 02: Fire Flower

Level Cards
Promo: Airship's Revenge

Demo Cards
World 4-6 Unlimited 1-Ups

Item 18: 1-Up Mushroom

Series 1 Cards

Power-Up Cards
Item 04: Frog Suit
Item 06: Hammer Suit
Item 08: P-Wing
Item 11: 3 Super Leaves
Item 12: 5 Starmen
Item 15: 8-Item Set (Super Mushroom, Fire Flower, Starman, Super Leaf, P-Wing, Tanooki Suit, Frog Suit, Hammer Suit)
Item 17: 5-Up Mushroom
Orange Switch (when a fireball hits an enemy, it turns into a coin)

Demo Cards
World 1-1 Speed Stage
World 1-2 Unlimited 1-Ups
World 2-2 Toad's Hidden House
World 5-5 Toad's Hidden House
World 7-2 Toad's Hidden House

Level Cards
01: Classic World 1-1
02: Slidin' the Slopes
04: Doors o' Plenty
06: Magical Note Blocks
08: Piped Full of Plants

Series 2 Cards

Power-Up Cards
Item 05: Tanooki Suit
Item 07: Starman
Item 09: Cape (looks much like Cape Feather from SMW)
Item 10: 3 Fire Flowers
Item 13: 4-Item Set (Super Mushroom, Fire Flower, Super Leaf, Starman)
Item 14: 3-Suit Set (Frog Suit, Tanooki Suit, Hammer Suit)
Item 16: 10-Up Mushroom
Blue Green Switch (vegetables sprout up in levels)

Demo Cards
World 3-2 Star Power
World 3-4 Unlimited 1-Ups
World 3-8 Toad's Hidden House
World 4-2 Toad's Hidden House
World 6-7 Toad's Hidden House

Level Cards
03: Vegetable Volley
05: Bombarded by Bob-ombs
07: The ol' Switcheroo
09: Swinging Bars of Doom
10: Para Beetle Challenge

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