More Than Meets the Eye
Other nontoken artifact creatures and Vehicles you control have modular 1.
Whenever you put one or more +1/+1 counters on Blaster, convert it.

This spell costs less to cast for each you've paid or lost this turn.
Haste
Whenever this creature attacks, you get , then you may pay eight . When you do, this creature deals 8 damage divided as you choose among up to eight targets.

, , Discard a card: Destroy target Wall.

Modular 3
, : Move X +1/+1 counters from Blaster onto another target artifact. That artifact gains haste until end of turn. If Blaster has no +1/+1 counters on it, convert it. Activate only as a sorcery.

Blastfire Bolt deals 5 damage to target creature. Destroy all Equipment attached to that creature.

Artifact offering (You may cast this spell as though it had flash by sacrificing an artifact and paying the difference in mana costs between this and the sacrificed artifact. Mana cost includes color.)
Flying, double strike
Creatures attacking your opponents have double strike.

, Sacrifice a creature: This artifact deals 1 damage to any target.
Whenever a creature enters, you may untap this artifact.

Shroud
Fading 3

For each opponent, gain control of target permanent that player controls. (This effect lasts indefinitely.)

Whenever an instant or sorcery spell you control deals damage, create two 1/1 red and white Soldier creature tokens with haste.

Cast this spell only during combat before blockers are declared.
Target creature defending player controls can block any number of creatures this turn. It blocks each attacking creature this turn if able.

: Add .
: Add . Activate only if you control a Swamp or a Mountain.

This creature has haste as long as you control a red creature.
This creature has wither as long as you control a green creature.

Flying
Creatures can't attack you.

Flanking
: This creature becomes colorless until end of turn.

Whenever you cast a noncreature spell, if at least four mana was spent to cast it, put a +1/+1 counter on this creature.
Blow Up — , Sacrifice this creature: It deals damage equal to its power to target creature. Activate only as a sorcery.

Target creature gets +3/+1 until end of turn. Exile the top card of your library. Until the end of your next turn, you may play that card.

When this creature dies, it deals X damage to target creature, where X is 3 plus the amount of damage dealt to this creature this turn by other sources named Blazing Effigy.

This creature enters prepared.

, Sacrifice another creature: This creature deals 1 damage to any target.

Exile target creature with power greater than or equal to your life total.

: This creature gets +2/+0 until end of turn. Activate only once each turn.
Madness

Blazing Salvo deals 3 damage to target creature unless that creature's controller has Blazing Salvo deal 5 damage to them.

Flying, haste
Whenever this creature deals combat damage to a player, that player discards a card.

Equipped creature gets +1/+0 for each opponent you have.
Whenever equipped creature is dealt damage, it deals that much damage to any target.
Equip

Equipped creature can't be blocked by Vampires or Zombies.
Equipped creature has ", Sacrifice Blazing Torch: Blazing Torch deals 2 damage to any target."
Equip

Blazing Volley deals 1 damage to each creature your opponents control.

: Add .
: Add . Activate only if you control a Plains or a Swamp.

Metalcraft — When this creature enters, if you control three or more artifacts, target player loses 4 life and you gain 4 life.