See rule 205.3j for the complete list of planeswalker types
Prowess Prowess had previously appeared as the Jeskai Clan mechanic in Khans of Tarkir and Fate Reforged , though it played out smoothly enough to earn temporary evergreen status with Magic Origins, though it was later demoted to deciduous, which meant it would be used sparingly without being locked to any set or plane's flavor
Emerald Rise of the Floodborn card Pete, Bad Guy sees the character once again diving into the fray, this time with the Ward keyword ensuring that it cannot be targeted unless its in a challenge and a combo of abilities
Just be careful not to rub too hard to avoid creasing the card sleeve
Four mana is pushing it for aggro, but reducing major spells down to 3 mana can be huge
Before I dive into the main list, however, I want to tackle three small honorable mentions: Planewide Disaster This card is the only phenomenon on this list