Creature tokens need name, TLDR Blank MTG card templates are best for rough design, playtesting, fan-made cards, cube placeholders, teaching exercises, and custom tokens
Artifact-fall effects from cards like Moon Girl and Devil Dinosaur can double up on playing card draw artifacts
Izzet Commanders tend to be among the more powerful ones in the game, and can solo matches all on their own
So, if you give them lifelink, not only will they burn, but you'll also gain life from that burn damage
The singer 3 ability is quite strong, and a similar card (Ariel) had a lot of success in The First Chapter format of Disney Lorcana
He is cheap and big and an artifact himself which adds to the synergy of the decks he is good in