Gixian Infiltrator

Whenever you sacrifice another permanent, put a +1/+1 counter on Gixian Infiltrator.

Corrupted Conviction

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

{R}, Sacrifice Satyr Hedonist: Add {R}{R}{R}.

Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling {2} ({2}, Discard this card: Draw a card.)

As an additional cost to cast this spell, sacrifice a creature.
Add {R}{R}{R}.

Whenever you sacrifice another permanent, put a +1/+1 counter on Bloodbriar.

As an additional cost to cast this spell, sacrifice a creature.
Collateral Damage deals 3 damage to any target.

When Burning-Tree Emissary enters, add {R}{G}.

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle.

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.)

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({R/G} can be paid with either {R} or {G}.)
Sacrifice Wild Cantor: Add one mana of any color.