Variable Solutions

Return target creature card with mana value 6 or less from your graveyard to the battlefield. It's an artifact. (It's no longer a creature.)

Escape—1W, Exile two other cards from your graveyard. When you cast this spell from your graveyard, all cards you own named Unbreakable Remnant perpetually get +1/+1.

Flash Flying Whenever this creature attacks, it becomes prepared.

Seek a multicolored card. Learn.

Deathtouch If a creature an opponent controls would die, exile it instead. Infusion — At the beginning of your second main phase, if you gained life this turn, conjure a card named Bridge from Below into your graveyard.

Replicate 1B Creature cards in your graveyard perpetually get +1/+1. Then return target creature card with mana value 3 or less from your graveyard to the battlefield.

Destroy target creature with mana value 4 or less. You gain 1 life for each creature card in its controller's hand.

Until end of turn, whenever a nontoken creature dies, it perpetually gains unearth 5. Consumed by History deals 3 damage to each creature.