Cards like Sun Titan are ideal for this plan, as you can use them to accrue significant value over time through creatures like Eternal Witness, Loyal Retainers, and Wood Elves, fetchlands like Bloodstained Mire, or even previously destroyed mana rocks, so having a big creature or two that can fill this role is very helpful when possible
On character cards, there are four places we want to look for Information
When casting it, you choose a Creature type, and then every Creature thats not that type gets destroyed
For example, Ghostfire Slice can target and deal damage to Auriok Champion, even with it having protection from red
Alistair, the Brigadier and Kate Stewart are both very similar