mtg.wtf

Lifelink
Whenever another nontoken creature you control dies, exile Liliana, Heretical Healer, then return her to the battlefield transformed under her owner's control. If you do, create a 2/2 black Zombie creature token.

[+2]: Each player discards a card.
[–X]: Return target nonlegendary creature card with mana value X from your graveyard to the battlefield.
[–8]: You get an emblem with "Whenever a creature dies, return it to the battlefield under your control at the beginning of the next end step."

When Nissa 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 Nissa, then return her to the battlefield transformed under her owner's control.

[+1]: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.
[–2]: Create Ashaya, the Awoken World, a legendary 4/4 green Elemental creature token.
[–7]: Untap up to six target lands. They become 6/6 Elemental creatures. They're still lands.