Sixth, you can encode a Cipher card on any creature, as long as it's a creature when the Cipher card encodes (immediately after resolving its other effects)
Someone probably saw the post by KEI (or nine on the new forum I guess) and added it to Bulbapedia
Then exile it.) Emrakul's Messenger One generic, one blue Creature Eldrazi Faerie Rogue 2/1 Devoid (This card has no color.) Flying Whenever you draw your second card each turn, create a 0/1 colorless Eldrazi Spawn creature token with Sacrifice this creature: Add one colorless mana. Estrid's Invocation Two generic, one blue Enchantment You may have Estrid's Invocation enters the battlefield as a copy of an enchantment you control, except it has At the beginning of your upkeep, you may exile this enchantment
A lot of cards work in concert with one another, so being forced to discard your combo pieces can shut down your entire strategy
It even provides additional recursive elements for your Snapcaster Mages in long, grindy Deaths Shadow mirrors