Trial of Iroas
Sorcery (C)
Trial of Iroas deals 2 damage to target creature. If you control that creature, instead it gets +2/+0 and gains haste until end of turn.
Iroas teaches that whether pain motivates or breaks determines who is a hero.

Neural Shocker

Creature -- Insect (U)
When Neural Shocker enters the battlefield, target player draws two cards, then discards two cards.
2/1

Hail Storm
Sorcery (R)
Hail Storm deals 10 damage among any number of target creatures, divided as you choose.

Tyrant of the Mount Karzak

Creature -- Dragon (M)
Flying
Whenever Tyrant of Mount Karzak attacks, it deals 2 damage to each creature the defending player controls.
Whenever Tyrant of Mount Karzak deals combat damage to a player, it deals 2 damage to each creature that player controls.
6/6

Gorgon's Kiss
Sorcery (C)
Put a +1/+1 counter on target creature. Then, destroy all Auras attached to that creature.

Grove Gorgon

Creature -- Gorgon (U)
Deathtouch
Whenever a creature dealt damage by Grove Gorgon this turn dies, you may search your library for a Forest card, put it onto the battlefield, then shuffle your library.
She unleashes her petrifying gaze not for anger or vengeance, but to acquire new statues for her garden.
2/4

Ravenous Wurm -
Creature - Wurm (R)
Whenever a creature that was dealt damage by Ravenous Wurm this turn dies, put a number of +1/+1 counters on Ravenous Wurm equal to that creature's toughness.
Waiting for a wurm to eat its full tends to be an awfully long wait.
7/7

Ageless Weirwood

Creature -- Treefok (M)
Indestructible
When Ageless Weirwood dies, you may search your library for up to five basic forest cards, put them onto the battlefield tapped, then shuffle your library.
5/5

Pharika's Blessing
Sorcery (C)
Up to two target creatures gain deathtouch until end of turn.

Is having two creatures gaining it too much for common? Or is it being sorcery speed make it not useful enough.

I think it's fine.

Tombshell Scarab

Creature -- Insect (U)
, Sacrifice Tombshell Scarab: Put a +1/+1 counter on target creature.
, Exile Tombshell Scarab from your graveyard: Put a +1/+1 counter on target creature.
2/2

Awaken the Soil
Sorcery (R)
Return target creature card and/or target land card from your graveyard to the battlefield.

Worldeater –
Creature – Horror (M)
Trample
At the beginning of your upkeep, sacrifice a creature and a land.
10/6

Blaspheme
Sorcery (C)
Target player reveals his or her hand and discards an enchantment card.
To even imply that one can survive, let alone thrive, without the gods is to spit in their faces.

Soul Tithe

Enchantment -- Aura (U)
Enchant creature
If Soul Tithe enchants a creature you control, enchanted creature gets +1/+1 and has lifelink.
If Soul Tithe enchants a creature you don't control, enchanted creature gets +1/+1 and has "Whenever this creature deals damage, you lose that much life."

Restitution
Instant (R)
Target player may pay X life, where X is the total amount of damage sources he or she controls dealt to you this turn. If that player does, you gain that much life. If that player doesn't, choose a permanent that player controls or a permanent card in that player's graveyard and put it onto the battlefield under your control.

Thrull Entourage

Creature-Thrull (M)
Extort, extort, extort, extort, extort
Whenever you extort, draw a card.
5/4

Sleeping Giant
Artifact Creature — Wall (C)
Defender
4/4

Offering Tray

Artifact (U)
: Add one mana of any color to your mana pool.
Extort

Regent's Regalia

Legendary Artifact -- Equipment (R)
Equipped creature gets +3/+3, is legendary, and has "As long as you control another creature, this creature has indestructible."
Equip

Mana Rig

Artifact (M)
At the beginning of each of your precombat main phases, add to your mana pool for each land in your graveyard.
, : Reveal cards from the top of your library until you reveal a nonland card. Put all land cards revealed this way into your graveyard, and all other cards revealed this way into your hand.