Items, however, can be used as soon as you play them
His Master Tactician ability even works with noncreature tokens
Raging Battle Mouse's cost-reduction ability can't reduce the amount of colored mana you pay for a spell
It feels like with each of the Gem Dragons (except for the Crystal Dragon), they used the Adventure mechanic to represent the Dragons breath weapon, which is really creative
The Twincasters feature some familiar text, "If one or more tokens would be created under your control, twice that many of those tokens are created instead." So, if you have both the Twincasters and Doubling Season in play, you'll double the number of tokens you're creating and then double it again
This is yet another reason we've drifted away from random discard as it takes away the ability to make choices