Aetherdrift

March of the World Ooze | Enchantment | | Creatures you control have base power and toughness 6/6 and are Oozes in addition to their other types. Whenever an opponent casts a spell, if it's not their turn, you create a 3/3 green Elephant creature token. | Helge C. Balzer

Thunderous Velocipede | Artifact | Vehicle | Trample Each other Vehicle and creature you control enters with an additional +1/+1 counter on it if its mana value is 4 or less. Otherwise, it enters with three additional +1/+1 counters on it. Crew 3 | Adrián Rodríguez Pérez

Brightglass Gearhulk | Artifact Creature | Construct | First strike, trample When this creature enters, you may search your library for up to two artifact, creature, and/or enchantment cards with mana value 1 or less, reveal them, put them into your hand, then shuffle. | José Parodi

Sab-Sunen, Luxa Embodied | Legendary Creature | God | Reach, trample, indestructible Sab-Sunen can't attack or block unless it has an even number of counters on it. (Zero is even.) At the beginning of your first main phase, put a +1/+1 counter on Sab-Sunen. Then if it has an odd number of counters on it, draw two cards. | Valera Lutfullina

Pyrewood Gearhulk | Artifact Creature | Construct | Vigilance, menace When this creature enters, other creatures you control get +2/+2 and gain vigilance and menace until end of turn. Damage can't be prevented this turn. | Martin de Diego Sádaba

Mimeoplasm, Revered One | Legendary Creature | Ooze | As Mimeoplasm enters, exile up to X creature cards from your graveyard. It enters with three +1/+1 counters on it for each creature card exiled this way. {2}: Mimeoplasm becomes a copy of target creature card exiled with it, except it's 0/0 and has this ability. | Ron Spencer

Loot, the Pathfinder | Legendary Creature | Beast Noble | Double strike, vigilance, haste Exhaust — {G}, {T}: Add three mana of any one color. (Activate each exhaust ability only once.) Exhaust — {U}, {T}: Draw three cards. Exhaust — {R}, {T}: Loot deals 3 damage to any target. | Ernanda Souza