Rivals of Ixalan

Atzocan Seer | Creature | Human Druid | {T}: Add one mana of any color. Sacrifice Atzocan Seer: Return target Dinosaur card from your graveyard to your hand. | Joseph Meehan

Hadana's Climb | Legendary Enchantment | | At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. Then if that creature has three or more +1/+1 counters on it, transform Hadana's Climb. | Titus Lunter

Kumena, Tyrant of Orazca | Legendary Creature | Merfolk Shaman | Tap another untapped Merfolk you control: Kumena, Tyrant of Orazca can't be blocked this turn. Tap three untapped Merfolk you control: Draw a card. Tap five untapped Merfolk you control: Put a +1/+1 counter on each Merfolk you control. | Tyler Jacobson

Journey to Eternity | Legendary Enchantment | Aura | Enchant creature you control When enchanted creature dies, return it to the battlefield under your control, then return Journey to Eternity to the battlefield transformed under your control. | Deruchenko Alexander

Jungle Creeper | Creature | Elemental | {3}{B}{G}: Return Jungle Creeper from your graveyard to your hand. | Matt Stewart