It only put things there for growth here in size and reanimation
I have also included all of the cards that sprang to mind from the cube that fulfil the remit of being a game improving card in an honourable mentions section
I found a few, including Sapling Nursery, which sadly wasnt available from the MTG singles site5 I was using, so had to be cut (cool as it is, I didnt want to pay for postage for one card worth pennies!)
Manafixers The ability to play spells without paying mana costs on initial turns allows us to have a reduced number of accelerators in the form of permanents
Together those two cards can be pretty great, but Arcanite Magician alone can sometimes have issues carrying its weight if you need to use its card destruction effect and can't justify investing in its ATK
6 Emperor Mihail II A New Kind Of Lord Emperor Mihail II was introduced in Dominaria United, serving as one of the strongest mono-blue Merfolk commanders available