Tyrantrum, Alpha

As Indominus Rex, Alpha enters the battlefield, discard any number of creature
cards.
It enters with a flying counter on it if a card discarded this way has flying. The same is true
for first strike, double strike, deathtouch,
hexproof, haste, indestructible, lifelink, menace, reach, trample, and vigilance.
When Indominus Rex enters the battlefield,
draw a card for each counter on it.