A white one drop, Zack Fair can be sacrificed to protect another creature, and he gives them his +1/+1 counters and equipment when that happens
Azorius Guildgate
They YEARN for the mines
For instance, you pay an extra mana for the Beck half of Beck // Call compared to Glimpse of Nature, the Breaking half of Breaking // Entering mills two fewer cards than Glimpse the Unthinkable, the Burn half of Turn // Burn is one mana more than a Shock, Tumble of Rough // Tumble is worse than Pyroclasm, and so forth
Thanks to the return of the Flashback mechanic, there are plenty of ways to give cards a second chance at having an impact during a game
However, if you do choose a target, and that target is illegal at the time Courageous Resolve tries to resolve, it won't resolve and none of its effects will happen