Seton’s Scout

Reach (This creature can block creatures with flying.)
Threshold — Seton’s Scout gets +2/+2 as long as seven or more cards are in your graveyard.

Spellgorger Barbarian

When Spellgorger Barbarian enters the battlefield, discard a card at random.
When Spellgorger Barbarian leaves the battlefield, draw a card.

Nantuko Calmer

, , Sacrifice Nantuko Calmer: Destroy target enchantment.
Threshold — Nantuko Calmer gets +1/+1 as long as seven or more cards are in your graveyard.

Seton’s Scout

Reach (This creature can block creatures with flying.)
Threshold — Seton’s Scout gets +2/+2 as long as seven or more cards are in your graveyard.

Temporary Insanity

Untap target creature with power less than the number of cards in your graveyard and gain control of it until end of turn. That creature gains haste until end of turn.

Zombify

Return target creature card from your graveyard to the battlefield.

Goblin Legionnaire

, Sacrifice Goblin Legionnaire: It deals 2 damage to any target.
, Sacrifice Goblin Legionnaire: Prevent the next 2 damage that would be dealt to any target this turn.

Goblin Ringleader

Haste (This creature can attack and as soon as it comes under your control.)
When Goblin Ringleader enters the battlefield, reveal the top four cards of your library. Put all Goblin cards revealed this way into your hand and the rest on the bottom of your library in any order.

Mogg Jailer

Mogg Jailer can’t attack if defending player controls an untapped creature with power 2 or less.

Waterspout Elemental

Kicker (You may pay an additional as you cast this spell.)
Flying
When Waterspout Elemental enters the battlefield, if it was kicked, return all other creatures to their owners’ hands and you skip your next turn.

Exclude

Counter target creature spell.
Draw a card.

Kangee, Aerie Keeper

Kicker (You may pay an additional as you cast this spell.)
Flying
When Kangee, Aerie Keeper enters the battlefield, if it was kicked, put X feather counters on it.
Other Bird creatures get +1/+1 for each feather counter on Kangee, Aerie Keeper.

Twilight’s Call

You may cast Twilight’s Call as though it had flash if you pay more to cast it. (You may cast it any time you could cast an instant.)
Each player returns all creature cards from their graveyard to the battlefield.

Submerge

If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost.
Put target creature on top of its owner’s library.

Mana Vapors

Lands target player controls don’t untap during their next untap step.

Search for Survivors

Reorder your graveyard at random. An opponent chooses a card at random in your graveyard. If it’s a creature card, put it onto the battlefield. Otherwise, exile it.

Submerge

If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost.
Put target creature on top of its owner’s library.

Skyshroud Claim

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle your library.

Tremor

Tremor deals 1 damage to each creature without flying.

Cave Sense

Enchant creature
Enchanted creature gets +1/+1 and has mountainwalk. (It can’t be blocked as long as defending player controls a Mountain.)