Foriysian Totem — ruling 1

A noncreature permanent that turns into a creature can attack, and its {T} abilities can be activated, only if its controller has continuously controlled that permanent since the beginning of their most recent turn. It doesn't matter how long the permanent has been a creature.

Foriysian Totem — ruling 2

The third ability normally lets Foriysian Totem block two creatures. If another effect also lets it block an additional creature, the effects are cumulative.

Foriysian Totem — ruling 3

If an effect says Foriysian Totem can't block, then it can't block any creatures.

Foriysian Totem : règles, fonctionnement et interactions (MTG)

Foriysian Totem is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

: Add . : This artifact becomes a 4/4 red Giant artifact creature with trample until end of turn. As long as this artifact is a creature, it can block an additional creature each combat.

How it works : Foriysian Totem

Original English text — Wizards of the Coast / Scryfall

#1August 1, 2008· Wizards of the Coast
A noncreature permanent that turns into a creature can attack, and its abilities can be activated, only if its controller has continuously controlled that permanent since the beginning of their most recent turn. It doesn't matter how long the permanent has been a creature.
No other card is named in this ruling.
#2September 25, 2006· Wizards of the Coast
The third ability normally lets Foriysian Totem block two creatures. If another effect also lets it block an additional creature, the effects are cumulative.
No other card is named in this ruling.
#3September 25, 2006· Wizards of the Coast
If an effect says Foriysian Totem can't block, then it can't block any creatures.
No other card is named in this ruling.