mtg card abilities list Top 20 Ability Support Cards in Magic: The Gathering Top 10 Ability Counters in

That said, some items can break the rule

Except for Cohort

The -2 is a tame but very useful for simple stun counter distribution

Those cards will arrive in North America and Europe, according to the thread, which did not detail any other regions

Your biggest problem will be defending Teval, who has no protection against removal, will suffer when cards are exiled, and who must constantly jump into the fray of battle

If an effect allows an opponent to cast spells any time they could cast an instant (for example, if your opponent also controls Teferi), the restriction of Teferi's last ability takes precedence over that permission