Flash
When Red Guardian enters, destroy target creature an opponent controls that dealt damage this turn.

Enchant creature
Enchanted creature can't be blocked by red creatures.
Enchanted creature gets +2/+2 as long as an opponent controls a red permanent.

Enchant creature
Enchanted creature has protection from red. This effect doesn't remove this Aura.

Prevent all damage that would be dealt this turn to up to two target creatures.

Target creature you control gains protection from the color of your choice until end of turn. Clash with an opponent. If you win, return Redeem the Lost to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Enchant creature
Enchanted creature has indestructible and is goaded.
: Exile enchanted creature.

Lifelink
Coven — Whenever this creature enters or attacks, if you control three or more creatures with different powers, return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Return all artifact and enchantment cards from your graveyard to the battlefield.
Miracle

Exile target nonland permanent. Its controller creates a 3/2 red and white Spirit creature token.

If an opponent cast a red instant or sorcery spell this turn, you may pay rather than pay this spell's mana cost.
Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target.

Return target artifact card from your graveyard to the battlefield.

Target creature gets +2/+7 until end of turn. Untap it.

Other Cats you control get +1/+1 and have lifelink.
When this creature enters, create two 1/1 white Cat creature tokens with lifelink.

Sliver creatures you control have "When this creature enters, Slivers you control get +1/+1 until end of turn if you're the monarch. Otherwise, you become the monarch."

Target creature gets +2/+2 until end of turn. If it's an enchantment creature or legendary creature, instead put a +1/+1 counter on it and it gets +1/+1 until end of turn.

Partner with Krav, the Unredeemed
Flying
At the beginning of each end step, if your team gained life this turn, create two 1/1 white Warrior creature tokens.

For each player, choose friend or foe. Each friend puts a +1/+1 counter on each creature they control. Each foe chooses one untapped creature they control, then taps the rest.

Vigilance
Repartee — Whenever you cast an instant or sorcery spell that targets a creature, this creature gets +1/+1 until end of turn.

Flying, vigilance
Snow lands your opponents control enter tapped.
Noncreature spells your opponents cast with mana value 4 or greater cost more to cast.

Put up to three target creature cards from your graveyard on top of your library.

You may tap or untap target creature.
Draw a card.

Create four 1/1 white Dog creature tokens.

Exile target opponent's graveyard. For each creature card exiled this way, create a 1/1 colorless Spirit creature token.

Renown 1
When this creature becomes renowned, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.

You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Enchant artifact
Enchanted artifact has shroud.

When this creature enters, support 3.

When this creature dies, destroy target artifact or enchantment.

This creature enters with two -1/-1 counters on it.
Whenever another creature you control enters while this creature has a -1/-1 counter on it, remove a -1/-1 counter from this creature.