Waste Not is the strongest tool in your deck
The easiest and cheapest 151 bundle to get is the Booster Bundle, which currently has a market price of around $188 for just six booster packs
Decklist: 1 Gishath, Sun's Avatar
One noteworthy example is the long-forgotten fourth archangel of Innistrad, the black and white Liesa
Origin Forme Palkia VSTAR (Full Gold Art) Type: Pokemon, Water HP: 280 Weakness: Electric x2 Resistance: Retreat Cost: Normal Energy x2 Moveset: Subspace Well Damage: 60+ Energy Cost: Water Energy x2 Description: This attack does 20 more damage for each Benched Pokemon (both yours and your opponents.) VSTAR Power Star Portal Damage: None Energy Cost: None Description: During your turn, you may attach up to 3 Water Energy cards from your discard pile to your Water Pokemon in any way you like
Additionally, the weakness/resistance's maximum damage addition/subtraction is +/-40, unless the weakness is x2