
Bard's Bow | Artifact | Equipment | Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.)
Equipped creature gets +2/+2, has reach, and is a Bard in addition to its other types.
Perseus's Bow — Equip {6} ({6}: Attach to target creature you control. Equip only as a sorcery.) | Josephine Chang

Chocobo Racetrack | Artifact | | Landfall — Whenever a land you control enters, create a 2/2 green Bird creature token with "Whenever a land you control enters, this token gets +1/+0 until end of turn." | Bachzim

Diamond Weapon | Legendary Artifact Creature | Elemental | This spell costs {1} less to cast for each permanent card in your graveyard.
Reach
Immune — Prevent all combat damage that would be dealt to Diamond Weapon. | Esuthio

The Earth Crystal | Legendary Artifact | | Green spells you cast cost {1} less to cast.
If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead.
{4}{G}{G}, {T}: Distribute two +1/+1 counters among one or two target creatures you control. | Pablo Mendoza

Summoner's Grimoire | Artifact | Equipment | Job select
Equipped creature is a Shaman in addition to its other types and has "Whenever this creature attacks, you may put a creature card from your hand onto the battlefield. If that card is an enchantment card, it enters tapped and attacking."
Abraxas — Equip {3} | Daniel Correia

Omega, Heartless Evolution | Legendary Artifact Creature | Robot | Wave Cannon — When Omega enters, for each opponent, tap up to one target nonland permanent that opponent controls. Put X stun counters on each of those permanents and you gain X life, where X is the number of nonbasic lands you control. (If a permanent with a stun counter would become untapped, remove one from it instead.) | Josu Solano