Balloon Dog Bloodhound

Ravenous (This creature enters the battlefield with
X +1/+1 counters on it. If X is 5 or more, draw a
card when it enters.)

Defender

Sniff Sniff Bark Bark — When Balloon Dog Bloodhound enters the battlefield, search your library for up to X basic land cards, put them
onto the battlefield tapped, then shuffle.