Den Protector

Creatures with power less than Den Protector's power can't block it. Megamorph {1}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Den Protector is turned face up, return target card from your graveyard to your hand.

Dark Petition

Search your library for a card and put that card into your hand. Then shuffle your library. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, add {B}{B}{B} to your mana pool.

Gilt-Leaf Winnower

Menace (This creature can't be blocked except by two or more creatures.) When Gilt-Leaf Winnower enters the battlefield, you may destroy target non-Elf creature whose power and toughness aren't equal.

Infinite Obliteration

Name a creature card. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles his or her library.

Languish

All creatures get -4/-4 until end of turn.

Nissa, Vastwood Seer/Nissa, Sage Animist

When Nissa, Vastwood Seer enters the battlefield, you may search your library for a basic Forest card, reveal it, put it into your hand, then shuffle your library. Whenever a land enters the battlefield under your control, 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 : Put a legendary 4/4 green Elemental creature token named Ashaya, the Awoken World onto the battlefield. ?7: Untap up to six target lands. They become 6/6 Elemental creatures. They're still lands.

Ultimate Price

Destroy target monocolored creature.

Llanowar Wastes

{T}: Add {1} to your mana pool. {T}: Add {B} or {G} to your mana pool. Llanowar Wastes deals 1 damage to you.

Ob Nixilis Reignited

Ruinous Path

Transgress the Mind

Grasp of Darkness

Hissing Quagmire

Kalitas, Traitor of Ghet

Sylvan Advocate

Seasons Past

Tireless Tracker

To the Slaughter

Traverse the Ulvenwald

Vessel of Nascency

Emrakul, the Promised End

Ishkanah, Grafwidow

Liliana, the Last Hope

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Dead Weight

Enchant creature Enchanted creature gets -2/-2.

Evolving Wilds

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Swamp

({T}: Add {B}.)

Forest

({T}: Add {G}.)