Flare of Fortitude lets you sacrifice a nontoken white creature instead of paying its cost, and in return, it gives all your permanents hexproof and indestructible until end of turn, while also locking your life total
Price: $2.99 (for 50), $4.99 (for 100)
Phasing is an elegant way to deal with problem permanents, and the decks thatll enjoy this card most are the kind that can reset it easily think Spirit tribal, or a flicker-based control deck
When your stuff deals combat damage to a foe, make a Treasure, but just one each time
If you can get a Muxus into play then it's pretty much goodnight for your opponent
Regular dice are also good if you are counting down on a card