Each creature you tap while casting this spell pays for 1 or one mana of that creature's color.) Any number of target nonland permanents you control phase out
Others might have a trigger and a cost - like 'Sleepy's Flute', which can be exerted to gain one lore if you played a song that turn
Granted, the item decks performing recently have been in ruby/sapphire, but maybe well see a transition to sapphire/steel with the rotation
This sites pretty crisp, though I immensely dislike that you need to register for an account to use any of the custom card features
For example, the Nani Protective Sister card is a solid bodyguard character thats a bit easier to get into play, and also quite strong
If that doesnt work, try Putting It All Together to stop a big bad character in their tracks and survive to quest again next turn