They look like theyre using their inkcasters to summon new glimmers
More powerful spells require larger amounts and more specific combinations of mana
Even outside of triggering our payoffs, having a bunch of card draw is pretty powerful, letting us dig through our deck for removal and threats and making it super hard to flood out since, if we happen to draw too many lands, we can always discard them to Thirst for Discovery or Tainted Indulgence
(2017-04-18) If you cast the first half of a split card with aftermath during your turn, you'll have priority immediately after it resolves
While we had made individual creatures that create a token upon dying, this was the first time we made a named mechanic out of it
Between this, Restoration Magic and Moogles' Valor, white has several ways to really punish you for attacking into open mana