Flying, first strike If a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead. If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.

You gain 3 life for each creature attacking you.

Whenever one or more creatures attack you, you gain 1 life for each attacking creature.

Fox offering (You may cast this spell any time you could cast an instant by sacrificing a Fox and paying the difference in mana costs between this and the sacrificed Fox. Mana cost includes color.) Whenever a creature attacks, you may gain 1 life.

{1}: The next time an instant or sorcery spell would deal damage to you this turn, that spell deals that damage to its controller instead.

If a source would deal damage to a player, you may prevent X of that damage, where X is the number of Clerics you control.

If a spell would deal damage to a permanent or player, it deals that much damage minus 1 to that permanent or player instead.

Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control. If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature. If damage from a noncreature source is prevented this way, Comeuppance deals that much damage to the source's controller.

Rather than the attacking player, you assign the combat damage of each creature attacking you. You can divide that creature's combat damage as you choose among any of the creatures blocking it.

Flying If a source an opponent controls would deal damage to you, prevent 1 of that damage.

Cast this spell only during the declare attackers step and only if you've been attacked this step. This turn, whenever an attacking creature deals combat damage to you, it deals that much damage to its controller.

Level up {2}{W} ({2}{W}: Put a level counter on this. Level up only as a sorcery.) LEVEL 1-4 1/4 If a source would deal damage to you or a creature you control, prevent 1 of that damage. LEVEL 5+ 2/5 If a source would deal damage to you or a creature you control, prevent 2 of that damage.

When this enchantment enters, draw a card. If a source would deal damage to a creature you control, it deals that much damage minus 1 to that creature instead.

You have hexproof. (You can't be the target of spells or abilities your opponents control.) If a creature would deal damage to you, prevent 1 of that damage.

If a source an opponent controls would deal damage to you, prevent 1 of that damage.

Flying, haste If a spell would deal damage to you or another permanent you control, prevent that damage. If a spell would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.

As long as this artifact is untapped, if a creature would deal combat damage to you, prevent 1 of that damage. {2}, {T}: Attacking creatures get +1/+0 until end of turn.

Lifelink Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card. Whenever an opponent casts their second spell each turn, draw a card.

Whenever a creature attacks you or a planeswalker you control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Flash Flying When this creature enters, if you cast it from your hand, exile all attacking creatures.

This artifact enters with two oil counters on it. Whenever two or more creatures attack, put an oil counter on this artifact. {2}, {T}, Remove two oil counters from this artifact: Exile another target nonland permanent. Its controller draws two cards.

Exile all attacking creatures target player controls. That player may search their library for that many basic land cards, put those cards onto the battlefield tapped, then shuffle.