At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

Regenerate target creature.

Whenever a player casts a white spell, you may pay . If you do, you gain 1 life.

Target creature gets +X/+0 until end of turn.

Target spell or permanent becomes white. (Mana symbols on that permanent remain unchanged.)

Enchant creature
Whenever enchanted creature deals damage to you, this Aura deals that much damage to that creature's controller.

Target player gains X life.

Each player shuffles the cards from their hand into their library, then draws that many cards.

Target spell or permanent becomes red. (Its mana symbols remain unchanged.)

You may tap or untap target artifact, creature, or land.

This creature doesn't untap during your untap step.
At the beginning of your upkeep, you may pay . If you do, untap this creature.

Enchant artifact
Whenever you're dealt damage, put that many vitality counters on this Aura.
At the beginning of your upkeep, you may remove a vitality counter from this Aura. If you do, you gain 1 life.

: This creature gains flying until end of turn.

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is 3 minus the number of cards in their hand.

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

: Look at target player's hand.

Tap X target creatures. Winter Blast deals 2 damage to each of those creatures with flying.

Flying

Earthquake deals X damage to each creature without flying and each player.

Target player discards X cards at random.

: Target creature can't be regenerated this turn.

Enchant creature
Enchanted creature has vigilance.

Whenever a player casts a green spell, you may pay . If you do, you gain 1 life.

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

Enchant creature
Enchanted creature gets -2/-1.

Whenever a creature dies, you may pay . If you do, you gain 1 life.

Return target creature to its owner's hand.

Flying (This creature can't be blocked except by creatures with flying or reach.)
: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Cast this spell only during an opponent's turn, before attackers are declared.
Creatures the active player controls attack this turn if able.
At the beginning of the next end step, destroy all non-Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.

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

Defender (This creature can't attack.)

Hurricane deals X damage to each creature with flying and each player.

: Tap target creature without flying.

Target blocking creature gets +7/+7 until end of turn.

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.