If one interests you, or feels like something the character could do, try to adapt it into a loyalty ability (or even a static!) Dont feel bad if you end up with a classic planeswalker design (5-mana, 4 or 5 starting loyalty, +1 card advantage, -2 to 3 removal, -7 or -8 ult that has the potential to win the game if you can back it up.) This design, and other often seen designs, are classics for a reason: They work
There are also quite a few cards that activate when theyre in your graveyard like Narfi, Betrayer King and Cobbled Lancer
Now, that said, theres a balance to be struck between things are fine with most play and things are unstable with high-level competitive play that we havent currently hit
The Friends & Foes collection will likely be the most sought-after by players as it contains seven cards based on the Sonic the Hedgehog cast, each of which is a unique addition to Magic: The Gathering
1 Howl of the Hunt
20 regular basic lands