Activate Inkmoth Nexus's second ability by paying ({0} magic symbol) , causing it to become a 1/1 Blinkmoth creature in addition to its other types until end of turn.
Activate Inkmoth Nexus's second ability by paying ({0} magic symbol) .
Crackdown Construct triggers, giving itself +1/+1 until end of turn.
Repeat from step 2.
Results
Infinitely large Crackdown Construct until end of turn.