
Great Oak Guardian | Creature | Treefolk | Flash (You may cast this spell any time you could cast an instant.)
Reach
When Great Oak Guardian enters the battlefield, creatures target player controls get +2/+2 until end of turn. Untap them. | Andrey Kuzinskiy

Paradise Druid | Creature | Elf Druid | Paradise Druid has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.)
{T}: Add one mana of any color. | Lixin Yin

Prosperous Innkeeper | Creature | Halfling Citizen | When Prosperous Innkeeper enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Whenever another creature enters the battlefield under your control, you gain 1 life. | Inka Schulz

Reclamation Sage | Creature | Elf Shaman | When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment. | Ilker Yildiz
0.5 LSV

Tireless Provisioner | Creature | Elf Scout | Landfall — Whenever a land enters the battlefield under your control, create a Food token or a Treasure token. (Food is an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life." Treasure is an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Wangjie Li

Elvish Harbinger | Creature | Elf Druid | When Elvish Harbinger enters the battlefield, you may search your library for an Elf card, reveal it, then shuffle and put that card on top.
{T}: Add one mana of any color. | Greg Hildebrandt & Tim Hildebrandt

Savvy Hunter | Creature | Human Warrior | Whenever Savvy Hunter attacks or blocks, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
Sacrifice two Foods: Draw a card. | Valera Lutfullina