Sarulf, Realm Eater Crocodile When Errand-Rider of Gondor enters

When Errand-Rider of Gondor enters the battlefield

create a tapped colorless artifact token named Meteorite with "When Meteorite enters the battlefield

Choose one

You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost

Cathar's Companion gains indestructible until end of turn

Sarulf, Realm Eater Crocodile When Errand-Rider of Gondor entersWhenever a permanent an opponent controls is put into a graveyard from the battlefield, put a +1 +1 counter on Sarulf, Realm Eater. At the beginning of your upkeep, if Sarulf has one or more +1 +1 counters on it, you may remove all of them. If you do, exile each other nonland permanent with mana value less than or equal to the number of counters removed this way.