anger mtg card (R2375) | TMNTPedia Haste As long as Anger is in your graveyard and you control a Mountain Anger | Judgment Foil |

A card's Oracle text can be found using the Gatherer card database at A rule specifically tackling your question: 205.3f Many cards were printed with subtypes that are now obsolete

(2022-12-08) Madness works independently of why you're discarding the card

Being able to surveil 2 during combat lets you see and access a solid amount of cards, especially if you can utilize your graveyard effectively

There arent actually many other detective payoffs, just Perimeter Enforcer, Case of the Pilfered Proof, Burden of Proof and Thinking Cap in total

This means you can take a finality counter from your creatures and add them to your opponents

But its combat trigger is where the fun really starts