A cards rarity is almost irrelevant
Some cards (mostly creatures) don't have any information at all in this area (not counting italics text, which we'll get to in a moment), which means they don't have any special abilities
Heartwood Storyteller An intriguing group hug Treefolk creature, this three-mana Treefolk originally printed in 2007s engaging Future Sight set wants your deck to be focused solely on playing creature spells
Manaphy is great for setting up, with their main role in our deck being stacking our ex Pokemon with Energy quickly
Turtling up and not attacking may protect your life total, but stalling defensively like this isnt really in your best interest in the long run since your opponents will still be taking swings at other people, asking questions and getting more intel while you hide in your fort
You do not choose when they fire