When this creature enters, it deals 4 damage to target creature.

Sunburst (This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.)
, Remove four +1/+1 counters from this creature: Target player draws three cards.

, , Sacrifice this creature: It deals X damage to any target.

Whenever another artifact you control enters or leaves the battlefield, you may pay . If you do, target player loses 1 life and you gain 1 life.

Haste
Echo (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, it deals 3 damage to target player or planeswalker.

, , Sacrifice a creature: Search your library for a Zombie card and a Swamp card, reveal them, put them into your hand, then shuffle.

Pyrotechnics deals 4 damage divided as you choose among any number of targets.

Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.

Cone of Flame deals 1 damage to any target, 2 damage to another target, and 3 damage to a third target.

Whenever this creature or another Zombie enters, all non-Zombie creatures get -1/-1 until end of turn.

Vigilance, haste

( can be paid with any two mana or with . This card's mana value is 6.)
Search your library for a card with mana value less than or equal to the number of lands you control, reveal it, put it into your hand, then shuffle.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Flying