Mask of Avacyn

Equipped creature gets +1/+2 and has hexproof. (It can’t be the target of spells or abilities your opponents control.)
Equip

Moorland Haunt

: Add .
, , Exile a creature card from your graveyard: Create a 1/1 white Spirit creature token with flying.

Black Sun’s Zenith

Put X -1/-1 counters on each creature. Shuffle Black Sun’s Zenith into its owner’s library.

Ghave, Guru of Spores

Ghave, Guru of Spores enters the battlefield with five +1/+1 counters on it.
, Remove a +1/+1 counter from a creature you control: Create a 1/1 green Saproling creature token.
, Sacrifice a creature: Put a +1/+1 counter on target creature.

Wall of Omens

Defender
When Wall of Omens enters the battlefield, draw a card.

Ghave, Guru of Spores

Ghave, Guru of Spores enters the battlefield with five +1/+1 counters on it.
, Remove a +1/+1 counter from a creature you control: Create a 1/1 green Saproling creature token.
, Sacrifice a creature: Put a +1/+1 counter on target creature.

Disaster Radius

As an additional cost to cast this spell, reveal a creature card from your hand.
Disaster Radius deals X damage to each creature your opponents control, where X is the revealed card’s converted mana cost.

Norn’s Annex

( can be paid with either or 2 life.)
Creatures can’t attack you or a planeswalker you control unless their controller pays for each of those creatures.

Black Sun’s Zenith

Put X -1/-1 counters on each creature. Shuffle Black Sun’s Zenith into its owner’s library.

Circle of Flame

Whenever a creature without flying attacks you or a planeswalker you control, Circle of Flame deals 1 damage to that creature.

Valakut, the Molten Pinnacle

Valakut, the Molten Pinnacle enters the battlefield tapped.
Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target.
: Add .

Genesis Wave

Reveal the top X cards of your library. You may put any number of permanent cards with converted mana cost X or less from among them onto the battlefield. Then put all cards revealed this way that weren’t put onto the battlefield into your graveyard.