Mishra, Claimed by Gix [The Brothers' War] Play Booster you can add character from

you can add character from Big Hero 6 and Rescue Rangers to your trusty crew

Shield of Argive

Whenever an opponent casts a creature or planeswalker spell with the same name as a card in their graveyard

You may have Mockingbird enter as a copy of any creature on the battlefield with mana value less than or equal to the amount of mana spent to cast Mockingbird

Mishra, Claimed by Gix [The Brothers' War] Play Booster you can add character fromSet: The Brothers' War Type: Legendary Creature Phyrexian Human Rarity: Mythic Cost: {2}{B}{R} Whenever you attack, each opponent loses X life and you gain X life, where X is the number of attacking creatures. If Mishra, Claimed by Gix and a creature named Phyrexian Dragon Engine are attacking, and you both own and control them, exile them, then meld them into Mishra, Lost to Phyrexia. It enters the battlefield tapped 9 9 and attacking.