Chandra, Fire of Kaladesh
{1}{R}{R}
Legendary Creature -- Human Shaman
2/2
Whenever you cast a red spell, untap ~this~.
{T}: ~this~ deals 1 damage to target player or planeswalker. If ~this~ has dealt 3 or more damage this turn, exile her, then return her to the battlefield transformed under her owner's control.
Liliana, Heretical Healer
{1}{B}{B}
Legendary Creature -- Human Cleric
2/3
Lifelink
Whenever another nontoken creature you control dies, exile ~this~, then return her to the battlefield transformed under her owner's control. If you do, create a 2/2 black Zombie creature token.
Nissa, Vastwood Seer
{2}{G}
Legendary Creature -- Elf Scout
2/2
When ~this~ enters, you may search your library for a basic Forest card, reveal it, put it into your hand, then shuffle.
Whenever a land you control enters, if you control seven or more lands, exile ~this~, then return her to the battlefield transformed under her owner's control.