2008-08-01

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.

2005-08-01

If another player takes control of the Factory while it is animated, that player keeps control until the control effect ends. They do not lose control just because the card stops being an Assembly-Worker. Note that Auras which steal cards will go to the graveyard if the permanent they enchant is no longer valid.

2009-10-01

Activating the ability that turns it into a creature while it’s already a creature will override any effects that set its power and/or toughness to a specific number. However, any effect that raises or lowers power and/or toughness (such as the effect created by Giant Growth, Glorious Anthem, or a +1/+1 counter) will continue to apply.

2016-06-08

Once turned into a creature, Mishra’s Factory’s last ability can target itself. If it’s already blocking, this won’t remove it from combat.

2016-06-08

If you turn Mishra’s Factory into a creature but haven’t controlled it continuously since your most recent turn began, you won’t be able to activate its first or last ability.

2020-08-07

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.

2020-08-07

Mishra’s Factory can be the target of its last ability after activating its middle ability. Activating it after it has blocked a creature won’t remove it from combat or stop it from dealing and being dealt combat damage.

2021-06-18

If Mishra’s Factory becomes a creature and you haven’t controlled it continuously since the beginning of your most recent turn, you won’t be able to activate its first or last abilities, and it won’t be able to attack (unless something is giving it haste).

2021-06-18

Once Mishra’s Factory is an Assembly-Worker, it is a legal target for its last ability. For example, you could animate Mishra’s Factory, block with it, then activate it last ability to make it 3/3.

2021-06-18

If Mishra’s Factory is already a creature, activating the second ability will override any previous effects that set its power and/or toughness to specific values. Other effects that are affecting its power and/or toughness, including +1/+1 counters and the effects of spells like Giant Growth, will continue to apply.

2021-06-18

If Mishra's Factory becomes a creature and you haven't controlled it continuously since the beginning of your most recent turn, you won't be able to activate its first or last abilities, and it won't be able to attack (unless something is giving it haste).

2021-06-18

Once Mishra's Factory is an Assembly-Worker, it is a legal target for its last ability. For example, you could animate Mishra's Factory, block with it, then activate it last ability to make it 3/3.

2021-06-18

If Mishra's Factory is already a creature, activating the second ability will override any previous effects that set its power and/or toughness to specific values. Other effects that are affecting its power and/or toughness, including +1/+1 counters and the effects of spells like Giant Growth, will continue to apply.