[FEATURE] Yearn: Virtual Booster

Yeernott Waverwillow    R  Creature – Treefolk Trample, Yearn 4 (Yeernott Waverwillow ETBs with four -1/-1 counters on it.) : Remove all -1/-1 counters from Yeernott Waverwillow. Add that much It sways back and forth, it's calm beat in tune with the worlds. 8/8	Wan-Watiwan Scribe    U  Creature – Human Monk Yearn 3 (Wan-Watiwan Scribe ETBs with three -1/-1 counters on it.) , , remove a -1/-1 counter from Wan-Watiwan Scribe: The next time you would discard a card this turn, you may cast it if it's an instant or sorcery spell. He found immediate satisfaction in the reckless shortsightedness of his writing. His tomes were some of the worst, yet most reproduced. 6/6	Yetknowl Searcher    U  Creature – Human Wizard Yearn 6 (Yetknowl Searcher ETBs with six -1/-1 counters on it.) At the beginning of your upkeep, you may remove a -1/-1 counter from Yetknowl Searcher I do not really know myself yet. Soon, I will realize the oneness of my being. 8/8	Id'Kyet Glowblade    U  Creature – Human Soldier Yearn 1 (Id'Kyet Glowblade ETBs with one -1/-1 counters on it.) , , Remove a -1/-1 counter from Id'Kyet Glowblade: Exile target attacking creature. It's controller gains 3 life. His unapologetic justice acts as a ray of light to those of his still finding the way. 3/4	Neverfound    C  Creature – Zombie Child Yearn 1 (Neverfound ETBs with one -1/-1 counters on it.) A child dared to be eager. One day, his ambition wandered too far, and he nor it were never found. 3/3
Yetknowl Oracle    C  Creature – Human Mystic Yearn 1 (Yetknowl Oracle ETBs with one -1/-1 counters on it.) , Remove a -1/-1 counter from Yetknowl Oracle: Scry 1 2/2	No more commons	Wan-Watiwan Imp    C  Creature – Imp Haste, Yearn 1 (Wan-Watiwan Imp ETBs with one -1/-1 counters on it.) It's ultimate realization was that thought was wasteful. 3/3	No more commons	Id'Kyet Scout    C  Creature – Human Scout Yearn 1 (Id'Kyet Scout ETBs with one -1/-1 counters on it.) His people rely on his ears, his eyes and his nose. He must stay acute if his people are to stay the same. 3/3
No more commons	No more commons	No more commons	No more commons	Yeernott Inchling    C  Creature – Saproling Yearn 1 (Yeernott Inchling ETBs with one -1/-1 counters on it.) : Remove a -1/-1 counter from Yeernott Inchling. Being so small illuminates just how much bigger of a world we are all parts in. 2/2

Yeernott Waverwillow (rare)
Wan-Watiwan Scribe (uncommon)
Yetknowl Searcher (uncommon)
Id'Kyet Glowblade (uncommon)
Neverfound (common)
Yetknowl Oracle (common)
Wan-Watiwan Imp (common)
Id'Kyet Scout (common)
Yeernott Inchling (common)