Dominaria

Grow from the Ashes | Sorcery | | Kicker {2} (You may pay an additional {2} as you cast this spell.) Search your library for a basic land card, put it onto the battlefield, then shuffle. If this spell was kicked, instead search your library for two basic land cards, put them onto the battlefield, then shuffle. | Richard Wright

Krosan Druid | Creature | Centaur Druid | Kicker {4}{G} (You may pay an additional {4}{G} as you cast this spell.) When Krosan Druid enters the battlefield, if it was kicked, you gain 10 life. | Bastien L. Deharme

Llanowar Envoy | Creature | Elf Scout | {1}{G}: Add one mana of any color. | Daniel Ljunggren

Marwyn, the Nurturer | Legendary Creature | Elf Druid | Whenever another Elf enters the battlefield under your control, put a +1/+1 counter on Marwyn, the Nurturer. {T}: Add an amount of {G} equal to Marwyn's power. | Chris Rahn

Steel Leaf Champion | Creature | Elf Knight | Steel Leaf Champion can't be blocked by creatures with power 2 or less. | Chris Rahn

Sylvan Awakening | Sorcery | | Until your next turn, all lands you control become 2/2 Elemental creatures with reach, indestructible, and haste. They're still lands. | Adam Paquette

Yavimaya Sapherd | Creature | Fungus | When Yavimaya Sapherd enters the battlefield, create a 1/1 green Saproling creature token. | Christine Choi

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