(It's not a creature.) Elk and Glimmer are both creature types
Consider good options here: Generous Gift , Stroke of Midnight , Pongify , Rapid Hybridization , Path to Exile , and Swan Song
For example, if you control two Phials of Galadriel and would draw a card while you have no cards in hand, the effect of one Phial of Galadriel will replace the event "draw a card" with "draw two cards." The effect of the other Phial of Galadriel will replace the drawing of the first of those two cards with "draw two cards." In total, you would draw three cards
Or, as we call it: Snowballing This is a game/game design term that means to compound your victory
Yeah, we are going to tax em
You want to know what is coming, move the right cards into place, and make sure your biggest spells are hitting at the right moment