
General Tazri | Legendary Creature | Human Ally | When General Tazri enters the battlefield, you may search your library for an Ally creature card, reveal it, put it into your hand, then shuffle.
{W}{U}{B}{R}{G}: Ally creatures you control get +X/+X until end of turn, where X is the number of colors among those creatures. | Chris Rahn

Ancient Crab | Creature | Crab | | Steve Prescott

Cyclone Sire | Creature | Elemental | Flying
When Cyclone Sire dies, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land. | Igor Kieryluk

Jwar Isle Avenger | Creature | Sphinx | Surge {2}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Flying | Ryan Pancoast

Sphinx of the Final Word | Creature | Sphinx | This spell can't be countered.
Flying, hexproof
Instant and sorcery spells you control can't be countered. | Lius Lasahido

Umara Entangler | Creature | Merfolk Rogue Ally | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | James Ryman

Reflector Mage | Creature | Human Wizard | When Reflector Mage enters the battlefield, return target creature an opponent controls to its owner's hand. That creature's owner can't cast spells with the same name as that creature until your next turn. | Willian Murai

Jori En, Ruin Diver | Legendary Creature | Merfolk Wizard | Whenever you cast your second spell each turn, draw a card. | Igor Kieryluk

Stormchaser Mage | Creature | Human Wizard | Flying, haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | Clint Cearley