Outlaws of Thunder Junction

Assimilation Aegis | Artifact | Equipment | When Assimilation Aegis enters the battlefield, exile up to one target creature until Assimilation Aegis leaves the battlefield. Whenever Assimilation Aegis becomes attached to a creature, for as long as Assimilation Aegis remains attached to it, that creature becomes a copy of a creature card exiled with Assimilation Aegis. Equip {2} | Matt Stewart

Kambal, Profiteering Mayor | Legendary Creature | Human Advisor | Whenever one or more tokens enter the battlefield under your opponents' control, for each of them, create a tapped token that's a copy of it. This ability triggers only once each turn. Whenever one or more tokens enter the battlefield under your control, each opponent loses 1 life and you gain 1 life. | Andreas Zafiratos

Ruthless Lawbringer | Creature | Vampire Assassin | When Ruthless Lawbringer enters the battlefield, you may sacrifice another creature. When you do, destroy target nonland permanent. | Joshua Raphael

Congregation Gryff | Creature | Hippogriff Mount | Flying, lifelink Whenever Congregation Gryff attacks while saddled, it gets +X/+X until end of turn, where X is the number of Mounts you control. Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.) | Joseph Meehan

Wylie Duke, Atiin Hero | Legendary Creature | Human Ranger | Vigilance Whenever Wylie Duke, Atiin Hero becomes tapped, you gain 1 life and draw a card. | Ekaterina Burmak

Kellan Joins Up | Legendary Enchantment | | When Kellan Joins Up enters the battlefield, you may exile a nonland card with mana value 3 or less from your hand. If you do, it becomes plotted. (You may cast it as a sorcery on a later turn without paying its mana cost.) Whenever a legendary creature enters the battlefield under your control, put a +1/+1 counter on each creature you control. | Wylie Beckert

Kellan, the Kid | Legendary Creature | Human Faerie Rogue | Flying, lifelink Whenever you cast a spell from anywhere other than your hand, you may cast a permanent spell with equal or lesser mana value from your hand without paying its mana cost. If you don't, you may put a land card from your hand onto the battlefield. | Magali Villeneuve

Ghired, Mirror of the Wilds | Legendary Creature | Human Shaman | Haste Nontoken creatures you control have "{T}: Create a token that's a copy of target token you control that entered the battlefield this turn." | Diego Gisbert