how many cards will be in mtg foundations MTG: Prerelease Pack — Rules of Play 1 Deck Builders Guide booklet Magic: The Gathering Foundations Release

2025-06-06 Traveling Chocobo's last ability affects a permanent's own "enters" triggered abilities (as long as it's a land or Bird you control) as well as other triggered abilities that trigger when a land or Bird you control enters the battlefield

How does that work

If the creature is known to have more than four legssay, it's a spiderbut not all its legs are visible, it still has four or more legs

The best is Brainstorm since you draw three and then return two, so it's strong with putting back lands, expensive stuff, hiding from discard and reshuffling with fetch lands et all

For casual settings there is no specific rule, but it is still expected for a player to keep it clear which creatures were disguised and which were cloaked and so forth

As such, Omnath, Locus of Mana is a very expensive card