I definitely don't think that multicolor cards all need to be rockstar build-arounds
For example, the most popular methods might be the following websites: TCGplayer PokeDATA Let's start with the PokeDATA website which has recently started getting traction amongst Pokmon collectors
If you don't pay the overload cost of a spell, that spell will have a single target
Also, I recommend to watch videos of the top players

$1.29 Wishlist Sell This Product Details Color: Red Rarity: C Cost: R Card Type: Sorcery Artist: Karl Kopinski Name: Faithless Looting Finish: Regular Card Number: 0057 Set Name: Mystery Booster 2 Related Products Miasmic Mummy The List Mystery Booster Near Mint, English 3 In Stock Near Mint, English 3 In Stock Near Mint, English 3 In Stock Concentrate The List Mystery Booster Near Mint, English 3 In Stock Near Mint, English 3 In Stock Near Mint, English 3 In Stock Spoils of Adventure - The List The List Mystery Booster Near Mint, English 4 In Stock Near Mint, English 4 In Stock Near Mint, English 4 In Stock Spell Snare - The List The List Mystery Booster Near Mint, English 1 In Stock Near Mint, English 1 In Stock Near Mint, English 1 In Stock Sapphire Charm The List Mystery Booster Near Mint, English 2 In Stock Near Mint, English 2 In Stock Near Mint, English 2 In Stock Niblis of Dusk The List Mystery Booster Near Mint, English 2 In Stock Near Mint, English 2 In Stock Near Mint, English 2 In Stock Floodgate The List Mystery Booster Near Mint, English 3 In Stock Near Mint, English 3 In Stock Near Mint, English 3 In Stock Leopard-Spotted Jiao The List Mystery Booster Near Mint, English 2 In Stock Near Mint, English 2 In Stock Near Mint, English 2 In Stock

However, if you have a specific card in mind, you can type its name into the search bar