Creature, commander, and board control aren't generally big in Blues colour pie, and therefore should be prioritized for slots in your deck
One thing it wont work on, though, is Flayer of Loyalties: But thats fine, you dont need to cast this one for 0 mana, because once it comes out, all bets are off
The reason I highlight these details after looking at the above list instead of discussing them beforehand is to shine a spotlight on cards like Abhorrent OverlordAbhorrent Overlord and Myr BattlesphereMyr Battlesphere
Released exclusively through Pokmon Centers in Japan, it quickly became a fan favorite due to its unique concept and limited availability
Experience a weekend brimming with spellbinding panels on the Mana Stage, shop wondrous wares from across the Multiverse, and ready your quills for autographs from legendary special guests and artists
But its real purpose is its other ability: Whenever a creature an opponent controls is dealt excess noncombat damage, amass Orcs X, where X is that excess damage. It can be a great source of Amass Orcs and it is a part of a 2 card combo with Blasphemous Act that results in near-infinite +1/+1 counters on an Army token and near-infinite damage to all creatures