
Cid, Timeless Artificer | Legendary Creature | Human Artificer | Artifact creatures and Heroes you control get +1/+1 for each Artificer you control and each Artificer card in your graveyard.
A deck can have any number of cards named Cid, Timeless Artificer.
Cycling {W}{U} ({W}{U}, Discard this card: Draw a card.) | Lius Lasahido

Squall, SeeD Mercenary | Legendary Creature | Human Knight Mercenary | Rough Divide — Whenever a creature you control attacks alone, it gains double strike until end of turn.
Whenever Squall deals combat damage to a player, return target permanent card with mana value 3 or less from your graveyard to the battlefield. | Yuu Fujiki

Black Waltz No. 3 | Legendary Creature | Wizard | Flying, deathtouch
Whenever you cast a noncreature spell, Black Waltz No. 3 deals 2 damage to each opponent. | Lordigan

Kuja, Genome Sorcerer | Legendary Creature | Human Mutant Wizard | At the beginning of your end step, create a tapped 0/1 black Wizard creature token with "Whenever you cast a noncreature spell, this token deals 1 damage to each opponent." Then if you control four or more Wizards, transform Kuja. | Joshua Raphael

Jenova, Ancient Calamity | Legendary Creature | Alien | At the beginning of combat on your turn, put a number of +1/+1 counters equal to Jenova's power on up to one other target creature. That creature becomes a Mutant in addition to its other types.
Whenever a Mutant you control dies during your turn, you draw cards equal to its power. | Ignatius Budi

Noctis, Prince of Lucis | Legendary Creature | Human Noble | Lifelink
You may cast artifact spells from your graveyard by paying 3 life in addition to paying their other costs. If you cast a spell this way, that artifact enters with a finality counter on it. | Jeremy Chong

Choco, Seeker of Paradise | Legendary Creature | Bird | Whenever one or more Birds you control attack, look at that many cards from the top of your library. You may put one of them into your hand. Then put any number of land cards from among them onto the battlefield tapped and the rest into your graveyard.
Landfall — Whenever a land you control enters, Choco gets +1/+0 until end of turn. | Miho Midorikawa