Tectonic Edge

: Add .
, , Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate this ability only if an opponent controls four or more lands.

Hydra Broodmaster

: Monstrosity X. (If this creature isn’t monstrous, put X +1/+1 counters on it and it becomes monstrous.)
When Hydra Broodmaster becomes monstrous, create X X/X green Hydra creature tokens.

Tazeem

Creatures can’t block.
Whenever you roll , draw a card for each land you control.

Polluted Delta

, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle your library.

Burn Away

Burn Away deals 6 damage to target creature. When that creature dies this turn, exile all cards from its controller’s graveyard.

Hydra Broodmaster

: Monstrosity X. (If this creature isn’t monstrous, put X +1/+1 counters on it and it becomes monstrous.)
When Hydra Broodmaster becomes monstrous, create X X/X green Hydra creature tokens.

Soul of Zendikar

Reach
: Create a 3/3 green Beast creature token.
, Exile Soul of Zendikar from your graveyard: Create a 3/3 green Beast creature token.

Explorer’s Scope

Whenever equipped creature attacks, look at the top card of your library. If it’s a land card, you may put it onto the battlefield tapped.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Nessian Game Warden

When Nessian Game Warden enters the battlefield, look at the top X cards of your library, where X is the number of Forests you control. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Spite of Mogis

Spite of Mogis deals damage to target creature equal to the number of instant and sorcery cards in your graveyard. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Bile Blight

Target creature and all other creatures with the same name as that creature get -3/-3 until end of turn.

Spawning Grounds

Enchant land
Enchanted land has “: Create a 5/5 green Beast creature token with trample.”

Ember Swallower

: Monstrosity 3. (If this creature isn’t monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Ember Swallower becomes monstrous, each player sacrifices three lands.

Undercity Plague

Target player loses 1 life, discards a card, then sacrifices a permanent.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

All Is Dust

Each player sacrifices all permanents they control that are one or more colors.

Blood Crypt

(: Add or .)
As Blood Crypt enters the battlefield, you may pay 2 life. If you don’t, it enters the battlefield tapped.

Corpsejack Menace

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

Lotleth Troll

Trample
Discard a creature card: Put a +1/+1 counter on Lotleth Troll.
: Regenerate Lotleth Troll.

Rakdos, Lord of Riots

You can’t cast this spell unless an opponent lost life this turn.
Flying, trample
Creature spells you cast cost less to cast for each 1 life your opponents have lost this turn.