bestow mtg cards a Gift (60/204) [Into the Inklands] Target creature gets +4/+4 and gains trample until end of turn. Bestow - MTG Keywords Explained

Thirst (Mirage/Visions/Weatherlight) Blue doesn't get removal spells often, and they usually aren't in the common slot

Blood On The Snow is easy to cast with six snow mana, ensuring you can get most of your powerful creatures back out after it's done resolving

Dark Confidant [Borderless] #334 (Magic Final Fantasy | Magic Cards) prices are based on the historic sales

With infinite mana, you can use the same strategy you used to recur Lotus Petal to loop Finale of Devastation into a hasty Deathrite Shaman, which you can activate an endless amount of times to drain opponents out of all their life

The only questionable spell is Fierce Guardianship, which you might want to mention to the playgroup if theyre against free counterspells