Martin Ontiveros

Though lesser well-known than its army of soldiers, the Boros Legion's mage-priests are as respected by the innocent as they are hated by the ghosts of the guilty.

Lightning Helix

Lightning Helix deals 3 damage to any target and you gain 3 life.

Baleful Strix

Flying, deathtouch
When this creature enters, draw a card.

While it's true most Dragons are cruel, the Shivan Dragon seems to take particular glee in the misery of others, often tormenting its victims much like a cat plays with a mouse before delivering the final blow.

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

"Want to know your future? Just three mana!"

Spellseeker

When this creature enters, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.

"You could win a pointy stick! Or a drippy eyeball. Or a little triangle froggy thing. Or some wavy lines . . . ."

Magus of the Wheel

{1}{R}, {T}, Sacrifice this creature: Each player discards their hand, then draws seven cards.

Kess, Dissident Mage

Flying
Once during each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead.

Baral, Chief of Compliance

Instant and sorcery spells you cast cost {1} less to cast.
Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.