The trade-off seems to be worth it, in my opinion, as this card has won me many games in my Chandra deck
It is just so efficiently costed (often a two mana 7/7 or 8/8 flyer with the potential to grow even bigger with multiple copies), that those stats are simply good enough on their own
Grma, Saruman's Footman Grma, Saruman's Footman provides some pretty sick card advantage alongside the unblockable ability
Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) At the beginning of your end step, if you gained life this turn, create a 1/1 white Cat creature token
Whenever Storvald enters or attacks, choose one or both Target creature has base power and toughness 7/7 until end of turn