A 2/2 with double-strike can play defense, but something's probably going poorly if that's the position you're in
The effects of Vault will not be felt immediately, but it will probably come out to play multiple times over its tenure in Standard
Use your enchantments to manipulate the game state, protect your life total, and gradually overwhelm your opponents with incremental advantages
Thats well worth the 3-mana impending cost
The Price As you can imagine, Charizard cards are already worth a lot on the secondary market because they feature such a popular Pokemon, but being an amazing competitive card makes that price jump up even higher
With haste and temporary hexproof, youre very likely to get in at least one hit and be up a card the turn this lands