On the one hand, 1 mana for a 2/3 with deathtouch that can transform into a 4/4 lifelinker sounds pretty incredible, but the downside can really add up quickly
Rules 03/19/21 If an instant or sorcery spell you cast that targets your creature doesnt resolve for any reason (either because another spell or ability counters it or because all its targets are illegal as it tries to resolve), it wont be exiled
WotC brought back phasing after a long hiatus with the Commander 2017 set
This would apply to all counters added until Hardened Scales is removed making it very useful, even if it not played with Sphere Grid Resourceful Defense is another card you will want to get out quickly as it allows you to move counters from a card that leaves the battlefield onto another creature
PSA graded cards Looking for certainty at the top end
If Venser's triggered ability targets a spell cast with flashback, that spell will be exiled instead of returning to its owner's hand