one piece tcg ultra deck the three captains st 10 TCG: Its powerful build can quickly produce results in competitive matches ULTRA DECK -The Three Captains-

720.2a If an effect refers to a card, spell, or permanent that has an Omen, it refers to an object that has the alternative characteristics of an Omen spell, even if the object currently doesnt use them

If youre worried about build time (which is usually about 50 minutes), you can mitigate time anxieties by having a baseline done early (i.e., I know Im playing UB because I have Edgar, Sephiroth, Odin, and Ultimecia, Time Sorceress, but should I splash red for anything?)

As one of the best theft commanders, Sen Triplets was a boogieman of the format for a while

Menace (This creature can't be blocked except by two or more creatures.) Time Compression When this creature transforms into Ultimecia, Omnipotent, take an extra turn after this one.

Description : Mystic Remora is an enchantment with a cumulative upkeep cost that allows you to draw a card whenever an opponent casts a noncreature spell unless that opponent pays four mana

The flexibility to not only copy your own spells but opposing spells as well means you should always find a good target, whether it be removal, card draw, or anything else