
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