To get access to the other two Class abilities, you will have to activate as sorcery (meaning during your main phase) to take the class to Level 2, and you can pay the cost again to take it to Level 3, but note that you will need to reach Level 2 first before you can access Level 3

Chandelure #20Holo Rare $1.67 Seedot #2Common $0.21 Lampent #19Uncommon $0.29 Lapras (26) #26Uncommon $1.08 Vanillish #32Uncommon $0.22 Simipour #29Rare $0.36 Frillish #34Uncommon $0.29 Kricketot #3Common $0.26 Zebstrika #48Rare $0.59 Panpour #28Common $0.25 Erika's Jigglypuff #69Common $3.11 Jigglypuff #77Common $1.12 Jigglypuff #54Common $1.56 Jigglypuff #7Promo $35.81 Jigglypuff #8Promo $63.49 Jigglypuff #44Uncommon $18.33 Jigglypuff #68Common $33.19 Jigglypuff #41Common $11.93 Jigglypuff #63Common $2.00 Jigglypuff #65Common $3.70 Jungle Booster Box [1st Edition] Jungle Booster Box [Unlimited Edition] Jungle Booster Pack [1st Edition] $629.70 Jungle Booster Pack [Unlimited Edition] $287.44 Jungle Theme Deck - "Power Reserve" $179.99 Jungle Theme Deck - "Water Blast" $299.95 Scan-Tastic Spectacular Promo Pack [Ho-oh & Rapidash] $126.65 Base Set 2 - 2-Player CD-ROM Starter Set $176.60

First of all, Let the Storm Rage On fits this deck like a glove, letting you draw cards while dishing out damage
Necroduality is the perfect enchantment for this deck
Key Highlights: Authentic vintage 1st Generation Eevee Pokmon card
In fact, why not run both