mtg flashback cards Legal in Standard, Rules Text: Flashback, 42 The flashback cost is equal to its mana cost Rules Text: Flashback, Mana Cost:
Description
Card Name Mana Cost Type Creature Cat Beast Rarity Mythic Rare rules Text Vigilance (Attacking doesn't cause this creature to tap.) Lifelink (Damage dealt by this creature also causes you to gain that much life.) At the beginning of your upkeep, if you have 40 or more life, you win the game

It's creatures-only, which is a lot worse than Teferi's Protection, but I think that's a Mount-Everest-level hill to climb and it's still a great choice

As for continuous effects, red has a number of great options now

Here are some tips and guidelines: [8] Interactive cards are always safe to include

Are Split Cards Multicolor
Round to the nearest
