Tebor, Air Terror

Flying
Whenever Tebor enters the battle field, draw X, each oponent discards X cards if they cant they sacrefice a non token permanent for each card they cant discard, you gain X life and each opponent loses X life where X is the number of bats you control.
{w}{w}{w}Discard a card: Create a 1/1 bat creature token with flying and " When this creature attacks defending oponent loses 1 life." For each bat you control