The second is more short term, based on the fact that UW Flash and GB Delirium currently make up about 50% of the Standard meta, which is a historically high metagame share, and cards like Archangel Avacyn, Spell Queller, and Emrakul, the Promised End have the ability to invalidate entire archetypes all by themselves, especially in our current answer-lite Standard
This is another fairly straightforward enchantment, and it is used in any white Historic deck that benefits from life generation
Equip only as a sorcery.) Legendary Artifact - Equipment Nazgl Battle-Mace Equipped creature has menace, deathtouch, annihilator 1, and "Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control unless that player pays 3 life." (Whenever a creature with annihilator 1 attacks, defending player sacrifices a permanent of their choice.) Equip Equip Artifact - Equipment Removal (CTRL to add secondary) Sorcery Ancestral Vision Suspend 4 (Rather than cast this card from your hand, pay and exile it with four time counters on it
If you do, add for each 1 life your opponents have lost this turn