Dominaria

Danitha Capashen, Paragon | Legendary Creature | Human Knight | First strike, vigilance, lifelink Aura and Equipment spells you cast cost {1} less to cast. | Chris Rallis

Curator's Ward | Enchantment | Aura | Enchant permanent Enchanted permanent has hexproof. When enchanted permanent leaves the battlefield, if it was historic, draw two cards. (Artifacts, legendaries, and Sagas are historic.) | Josu Hernaiz

Wizard's Retort | Instant | | This spell costs {1} less to cast if you control a Wizard. Counter target spell. | Grzegorz Rutkowski

Fight with Fire | Sorcery | | Kicker {5}{R} (You may pay an additional {5}{R} as you cast this spell.) Fight with Fire deals 5 damage to target creature. If this spell was kicked, it deals 10 damage divided as you choose among any number of targets instead. (Those targets can include players and planeswalkers.) | Yongjae Choi

Goblin Warchief | Creature | Goblin Warrior | Goblin spells you cast cost {1} less to cast. Goblins you control have haste. | Karl Kopinski

Valduk, Keeper of the Flame | Legendary Creature | Human Shaman | At the beginning of combat on your turn, for each Aura and Equipment attached to Valduk, Keeper of the Flame, create a 3/1 red Elemental creature token with trample and haste. Exile those tokens at the beginning of the next end step. | Victor Adame Minguez

Wizard's Lightning | Instant | | This spell costs {2} less to cast if you control a Wizard. Wizard's Lightning deals 3 damage to any target. | Grzegorz Rutkowski

Rona, Disciple of Gix | Legendary Creature | Human Artificer | When Rona, Disciple of Gix enters the battlefield, you may exile target historic card from your graveyard. (Artifacts, legendaries, and Sagas are historic.) You may cast spells from among cards exiled with Rona. {4}, {T}: Exile the top card of your library. | Tommy Arnold

Adeliz, the Cinder Wind | Legendary Creature | Human Wizard | Flying, haste Whenever you cast an instant or sorcery spell, Wizards you control get +1/+1 until end of turn. | Zezhou Chen

Slimefoot, the Stowaway | Legendary Creature | Fungus | Whenever a Saproling you control dies, Slimefoot, the Stowaway deals 1 damage to each opponent and you gain 1 life. {4}: Create a 1/1 green Saproling creature token. | Alex Konstad

Hallar, the Firefletcher | Legendary Creature | Elf Archer | Trample Whenever you cast a spell, if that spell was kicked, put a +1/+1 counter on Hallar, the Firefletcher, then Hallar deals damage equal to the number of +1/+1 counters on it to each opponent. | Bram Sels

Howling Golem | Artifact Creature | Golem | Whenever Howling Golem attacks or blocks, each player draws a card. | Grzegorz Rutkowski