Yes, if you have turned your planeswalker into a creature, and it came into your control the same turn, then it will need haste like on Sarkhan, the Dragonspeakerto tap and attack, since it is sick from summoning
Just keep going through the motions, and pretty soon, youll find yourself on sites like TCGPlayer, where youll be browsing for the best cards and newest strats
If a monster with a Predator Counter is on the field: You can Special Summon this card from your GY, but banish it when it leaves the field
You can also stop an opponent's attack with this card
Archon of Cruelty/Unmarked Grave/Persist: The sorceries have seen some fringe play, but Archon of Cruelty is proving to be the real winner here