Blinkmoth Nexus
Land
: Add 
.
: This land becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land.
, : Target Blinkmoth creature gets +1/+1 until end of turn.
Meel Tamphanon
This card will be released on 2025-08-01, it is not legal in any format until its release date approaches.
Rulings
Blinkmoth Nexus 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.
(wotc • 2020-08-07)
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.
(wotc • 2020-08-07)
Rulings
Blinkmoth Nexus 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.
(wotc • 2020-08-07)
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.
(wotc • 2020-08-07)