Heroic Intervention, Clever Concealment The base deck was quite susceptible to wipes, so Heroic Intervention is a solid option to prevent opponents or your own spells from resetting your board
MHRs typically settle slower than SIRs, so timing is less urgent than it would be for the SIR variant
Alternatively, if youre playing a Treasure Tokens matters deck, Ruthless Technomancer can create 10,000 Treasure tokens by sacrificing Jumbo Cactuar
This way, you won't spend resources to protect Cracker, and you can potentially replay him thanks to his trigger if the opponent attacks your life points on their turn
If you are casting Wishclaw Talisman and then passing the turn, thats where stuff crosses way over the existing line
Cryptic Command is another great example