Atarka Monument
Artifact
: Add 
or 
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: This artifact becomes a 4/4 red and green Dragon artifact creature with flying until end of turn.
Atarka is worshipped and fed by her subjects at Ayagor, the Dragon's Bowl.
Daniel Ljunggren
Dragons of Tarkir (DTK)
• #235Rulings
If a Monument has any +1/+1 counters on it, those counters will remain on the permanent after it stops being a creature. Those counters will have no effect as long as the Monument isn't a creature, but they will apply again if the Monument later becomes a creature.
(wotc • 2015-02-25)
Activating the last ability of a Monument while it's already a creature will override any effects that set its power or toughness to a specific value. Effects that modify power or toughness without directly setting them to a specific value will continue to apply.
(wotc • 2015-02-25)
Each Monument is colorless, although the last ability will make each of them two colors until end of turn.
(wotc • 2015-02-25)
A Monument can't attack on the turn it enters the battlefield.
(wotc • 2015-02-25)
Rulings
If a Monument has any +1/+1 counters on it, those counters will remain on the permanent after it stops being a creature. Those counters will have no effect as long as the Monument isn't a creature, but they will apply again if the Monument later becomes a creature.
(wotc • 2015-02-25)
Activating the last ability of a Monument while it's already a creature will override any effects that set its power or toughness to a specific value. Effects that modify power or toughness without directly setting them to a specific value will continue to apply.
(wotc • 2015-02-25)
Each Monument is colorless, although the last ability will make each of them two colors until end of turn.
(wotc • 2015-02-25)
A Monument can't attack on the turn it enters the battlefield.
(wotc • 2015-02-25)