Aetherstream Leopard | Creature | Cat | Trample
When Aetherstream Leopard enters the battlefield, you get {E} (an energy counter).
Whenever Aetherstream Leopard attacks, you may pay {E}. If you do, it gets +2/+0 until end of turn. | Winona Nelson
Maulfist Revolutionary | Creature | Human Warrior | Trample
When Maulfist Revolutionary enters the battlefield or dies, for each kind of counter on target permanent or player, give that permanent or player another counter of that kind. | Scott Murphy
Rishkar, Peema Renegade | Legendary Creature | Elf Druid | When Rishkar, Peema Renegade enters the battlefield, put a +1/+1 counter on each of up to two target creatures.
Each creature you control with a counter on it has "{T}: Add {G}." | Todd Lockwood
Silkweaver Elite | Creature | Elf Archer | Reach (This creature can block creatures with flying.)
Revolt — When Silkweaver Elite enters the battlefield, if a permanent you controlled left the battlefield this turn, draw a card. | Magali Villeneuve
Renegade Rallier | Creature | Human Warrior | Revolt — When Renegade Rallier enters the battlefield, if a permanent you controlled left the battlefield this turn, return target permanent card with mana value 2 or less from your graveyard to the battlefield. | Kieran Yanner
Rogue Refiner | Creature | Human Rogue | When Rogue Refiner enters the battlefield, draw a card and you get {E}{E} (two energy counters). | Victor Adame Minguez
Lifecrafter's Bestiary | Artifact | | At the beginning of your upkeep, scry 1.
Whenever you cast a creature spell, you may pay {G}. If you do, draw a card. | Izzy