Whenever you sacrifice another creature, put a +1/+1 counter on this creature. {B}{R}, Sacrifice another creature: This creature gains menace until end of turn. (It can't be blocked except by two or more creatures.)

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

First strike Menace (This creature can't be blocked except by two or more creatures.) {T}, Sacrifice this creature: Add one mana of any color.

Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters or dies, create a 1/1 red Goblin creature token.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

Lightning Bolt deals 3 damage to any target.

Destroy target creature. It can't be regenerated.

As an additional cost to cast this spell, discard a card. Draw two cards.

This land enters tapped. Indestructible {T}: Add {B} or {R}.

({T}: Add {R}.)