This means you could spend the mana to activate an ability of a permanent with changeling (a keyword ability that gives it all creature types) or an Assassin card in your hand or graveyard, for example
Pacification Array: A good way to neutralize a big threat
Blue Demilich is a spellslingers dream
4 Rocco, Street Chef Street Tacos In Magic, Confirmed Rocco is what some players call a 'paradox' commander, one with an ability tied to casting spells from zones other than your hand, which happens very frequently in Commander
After this phase, there is an additional combat phase." Legendary Planeswalker - Zariel Zurzoth, Chaos Rider Whenever an opponent draws their first card each turn, if it's not their turn, you create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target." Whenever one or more Devils you control attack one or more players, you and those players each draw a card, then discard a card at random
Top Deck Manipulation ( TM ) A good amount of Dragon-oriented cards actually care about the top of the deck, and helps you look at what the top card of your deck is
