Toll of Erebos (R)

Enchantment – Aura
Enchant creature card in your graveyard
At the beginning of your upkeep, return enchanted creature card to the battlefield unless an opponent sacrifices a creature.

Kedrick, Master of the Hunt

Legendary Creature-Vampire Scout (R)
Creatures you control have lifelink and deathtouch.
: Target creature blocks this turn if able.
4/4

Sorin, At War
Planeswalker — Sorin (M)
+0: Sorin, At War deals 1 damage to target player or planeswalker. Put a number of loyalty counters on Sorin equal to the damage dealt this way.
-2: Put two 1/1 black Vampire creature tokens with lifelink onto the battlefield.
-5: Choose target opponent, then choose one—Search that player's library, graveyard, and/or hand and play a card from there without paying its mana cost; or you gain control of target permanent that player controls. That player shuffles his or her library if you searched it this way.
3

Godflare
Instant (C)
Godflare deals 2 damage to target creature or player.
Smoke Signal (Exile this card from your hand. For the rest of the game, cards that share a name with this card cost to cast.)

Divine in Ash
Sorcery (U)
Draw two cards, then discard two cards unless you discard a card at random.
Smoke Signal (Exile this card from your hand. For the rest of the game, cards that share a name with this card cost to cast.)

Cleanse in Fire

Sorcery (R)
Cleanse in Fire deals 3 damage to each creature.
Smoke Signal (Exile this card from your hand. For the rest of the game, cards that share a name with this card cost to cast.)

Good mechanic but I think it should only affect your own copies.

I just realized that I was reading it to mean it made your future copies free, but then I saw 'Exile this card from your hand' when the card would be on the stack. Is it meant to be an activated ability, MagicPablo666?

Ash-Lung Dragon
Creature — Dragon (M)
Flying, haste
Whenever you cast an instant or sorcery spell, if Ash-Lung Dragon dealt combat damage to an opponent this turn, that spell gains smoke signal. (Exile that card. For the rest of the game, cards that share a name with this card cost to cast.)
4/4

Wasteland Druid (C)

Creature – Elf Druid
1/1
You may discard a Forest card rather than pay Wasteland Druid's mana cost.
: Add to your mana pool.

Fertilize

Sorcery (U)
Destroy target land. Search your library for a basic land and put it onto the battlefield tapped.

Living Gardens -
Enchantment (R)
Whenever a Forest you control deals damage to a player, search your library for a basic land card and put it into the battlefield tapped, then shuffle your library.
: Target Forest you control becomes a 2/2 green Plant creature until end of turn. It's still a land.

Ancient Silence
Sorcery (M)
Until end of game, players can't activate activated abilities and abilities don't trigger.

Naw, just a keyword. I'm glad some people were into it.

The Jungleless
Creature - Beast (C)
Green mana doesn't leave mana pools at the end of turns and phases.

"Sharuum has gone too far. To strip the Nayan lands of their growth is to strip the Nayan people of their souls. The sphinx shall pay."
- The Anima

2/1

Foiled Plans -
Instant (U)
Exile target attacking creature. Its controller discards a card.

Utopian Bounty
Legendary Enchantment (R)
Each player gains one life: Each player draws a card. Only Opponents may activate this ability.

"How blessed we are - and yet, how cursed."
- Golden Izdabel, Senseless Rat

Mat'Selesnya, Parun of the Conclave
Legendary Creature — Elemental Dryad (M)
Play with your hand revealed.
Mat'Selesnya, Parun of the Conclave's power and toughness are each equal to the total number of creatures you control, creature cards in your hand, and creature cards in your graveyard.
*/*

Unstable Plasmix

Creature -- Ooze (C)
At the beginning of your upkeep, flip a coin. If it comes up heads, switch Unstable Plasmix's power and toughness.
1/3

Gravetender -
Creature - Human Shaman (U)
Deathtouch
Whenever a land is put into a graveyard from the battlefield, draw a card.
2/2

Mirrormancy

Sorcery (R)
Put two tokes that are copies of target creature onto the battlefield. Those tokens have haste and "At the beginning of the end step, exile this permanent."

Queen of the Lilitu
Creature — Hag (M)
Whenever a creature is destroyed, put a 1/1 black and green Hag onto the battlefield.
3/3

Vitality Potion

Artifact (C)
, Sacrifice Vitality Potion: Put a +1/+1 counter on target creature.
, Sacrifice Vitality Potion: You gain 3 life.