(This includes disguise, cloak, and in games involving older cards, morph and manifest, as well as a few other effects that turn cards face down.) Common methods for doing this include using markers or dice, or simply placing them in order on the battlefield
The first one gives you a one-time army in a can usually via enters the battlefield effects from creatures like Avenger of Zendikar and Hornet Queen
Regardless of which one-drops you start with, having so many creatures in play to help turn on devotion or just having a giant Cloudfin Raptor is pretty rough business
Build a Deck with AIor browse community decks
I find the coolest Magic cards to be the most innovative, format-warping, game-breaking, synergistic, and era-defining cards of their time
Connive If a creature you control connives, draw a card, then discard a card