Wilds of Eldraine

Aquatic Alchemist | Creature | Elemental | Whenever you cast your first instant or sorcery spell each turn, Aquatic Alchemist gets +2/+0 until end of turn. | Uriah Voth

Freeze in Place | Sorcery | | Tap target creature an opponent controls and put three stun counters on it. Scry 2. (If a permanent with a stun counter would become untapped, remove one from it instead.) | Leanna Crossan

Living Lectern | Artifact Creature | Construct | {1}, Sacrifice Living Lectern: Draw a card. Create a Sorcerer Role token attached to up to one other target creature you control. Activate only as a sorcery. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has "Whenever this creature attacks, scry 1.") | Chris Seaman

Spell Stutter | Instant | | Counter target spell unless its controller pays {2} plus an additional {1} for each Faerie you control. | Liiga Smilshkalne

Stormkeld Prowler | Creature | Human Rogue | Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on Stormkeld Prowler. | Zara Alfonso

Water Wings | Instant | | Until end of turn, target creature you control has base power and toughness 4/4 and gains flying and hexproof. (It can't be the target of spells or abilities your opponents control.) | Arash Radkia