Koth of the Hammer
{2}{R}{R}
Legendary Planeswalker -- Koth
3
[+1]: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land.
[-2]: Add {R} for each Mountain you control.
[-5]: You get an emblem with "Mountains you control have '{T}: ~this~ deals 1 damage to any target.'"
Liliana of the Dark Realms
{2}{B}{B}
Legendary Planeswalker -- Liliana
3
[+1]: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.
[-3]: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control.
[-6]: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"
Mu Yanling, Sky Dancer
{1}{U}{U}
Legendary Planeswalker -- Yanling
2
[+2]: Until your next turn, up to one target creature gets -2/-0 and loses flying.
[-3]: Create a 4/4 blue Elemental Bird creature token with flying.
[-8]: You get an emblem with "Islands you control have '{T}: Draw a card.'"