Ethama, Liquid Sculptor

When Ethama, Liquid Sculptor enters the battlefield, compose 1 X times, where X is equal to the number of Islands you control. (Create X colorless 1/1 Art creature token with haste. Sacrifice them at the beginning of the next end step.)
Whenever a token creature you control attacks, tap target creature defending player controls.
"The people may forget... but the water remembers."