Rhystic Study and Mystic Remora either tax or punish opponents for casting spells, both of which will be of great benefit to you
It's a good enough alternate commander to hide Tergrid, God of Fright in, even if it isn't the most powerful or oppressive ability ever
Competitive Viability If a certain card becomes central to top-tier strategies, its market value often spikes
Bartz and Boko Final Fantasy #469 Legendary Creature Human Bird Affinity for Birds (This spell costs less to cast for each Bird you control.) When Bartz and Boko enters, each other Bird you control deals damage equal to its power to target creature an opponent controls
Quilled Greatwurm A massive 7/7 with trample that can be cast from the graveyard
If it doesnt and your opponent decides to use a removal spell on it, youll gain another three life for your trouble