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.

Circle of Flame

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

Ghave, Guru of Spores

Ghave, Guru of Spores enters 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 mana value.

Ghave, Guru of Spores

Ghave, Guru of Spores enters 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.

Norn’s Annex

( can be paid with either or 2 life.)
Creatures can’t attack you or planeswalkers 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.

Valakut, the Molten Pinnacle

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