Objects that are neither on the stack nor on the battlefield aren’t controlled by any player. Effects that deal with cards in the graveyard would refer to their owner. No. You only control creatures on the battlefield and creature spells on the stack.

Is sacrifice a triggered ability?

An activated ability, that has a sacrifice as a cost, will trigger any triggered abilities that look for the event of a creature dying or being sacrificed.

Does heroic trigger in the graveyard?

No. The Heroic ability only works if the creature you target is a permanent on the battlefield.

Do Enchantments trigger heroic?

Heroic is only triggered by the heroic creature being targeted by a spell not an ability. The only things in the game that qualify are instants and sorceries with the word target written on them or aura enchantments whilst they are on the stack. Nothing else will trigger heroic.

What happens when an ability is not triggered?

An event that’s prevented or replaced won’t trigger anything. Example: An ability that triggers on damage being dealt won’t trigger if all the damage is prevented. 603.3 Once an ability has triggered, its controller puts it on the stack as an object that’s not a card the next time a player would receive priority.

Do you turn creatures sideways before declaring attackers?

Players commonly rush into combat by simply turning creatures sideways to indicate they’re ready to declare attackers. In reality, there is a whole step of combat before you declare attackers, called the “Beginning of combat step.” You always get a chance to do stuff at that point before your opponent can declare attackers.

Can a goblin be sent to the graveyard?

I know that if the creature had been killed/sent to the graveyard, the ability would still resolve, but I was told recently that because a player’s hand is a private zone it couldn’t. If anyone could confirm or deny this for me, it would be most appreciated. Yes, Player B still takes damage from the Goblin Fireslinger.

What does it mean when an effect reads all lands are creatures?

Example: If an effect reads “All lands are creatures” and a land card is played, the effect makes the land card into a creature the moment it enters the battlefield, so it would trigger abilities that trigger when a creature enters the battlefield.