Fling

As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.

Revolutionist

When this creature enters, return target instant or sorcery card from your graveyard to your hand.
Madness {3}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Manamorphose

Add two mana in any combination of colors.
Draw a card.

Aurora Eidolon

{W}, Sacrifice this creature: Prevent the next 3 damage that would be dealt to any target this turn.
Whenever you cast a multicolored spell, you may return this card from your graveyard to your hand.

Faithless Looting

Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Tireless Tribe

Discard a card: This creature gets +0/+4 until end of turn.

Sandstorm Eidolon

{R}, Sacrifice this creature: Target creature can't block this turn.
Whenever you cast a multicolored spell, you may return this card from your graveyard to your hand.

Thrilling Discovery

You gain 2 life. Then you may discard two cards. If you do, draw three cards.

Frantic Purification

Destroy target enchantment.
Madness {W} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Fiery Temper

Fiery Temper deals 3 damage to any target.
Madness {R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)