Dragon Rider of Croviel

Flying, Haste, Renown 3 (When this creature deals combat damage to a player, if it isn't renowned, put
3 +1/+1 counters on it and it becomes renowned.)
Dragon spells you cast cost {3} less to cast.
Formidable -- {4}{r}{r}: Create a 4/4 red Dragon creature token with flying. Activate this ability
only if creatures you control have total power 8 or greater.