invocation cards mtg Pact of Negation [Amonkhet Invocations] you may reveal the top card of your library Spell Pierce | Masterpiece Series:

When it gets bolted mid-flight it is totally backbreaking in terms of tempo and card advantage, plus it requires basically zero risk on the part of the reacting player

Note that this is a may effect, so if you kill everything or don't want to exile a Commander that cannot block so they'll just recast it, then you don't have to do it at all

The new Season cycle from Bloomburrow exemplifies the idea of flexibility perfectly

Lastly, worth around $6 each, Combat Celebrant and Curiosity Crafter round out the notable reprints

Near-Death Experience Near-Death Experience gives you a hyper-specific win condition, and it got a reprint in From the Vault : Lore