You gain X life, where X is twice the damage dealt to you so far this turn by artifacts.

: Add .

Destroy all blocking creatures and all blocked creatures.

Flash
Enchant creature
Enchanted creature gets +1/+0 and has deathtouch.
When enchanted creature dies, return that card to the battlefield tapped under its owner's control.

, : Draw a card. Activate only if you control three or more lands with the same name.

Creatures you control with power or toughness 1 or less can't be blocked.

Flash
Enchant creature
Enchanted creature gets +1/+0 and has deathtouch.
When enchanted creature dies, return that card to the battlefield tapped under its owner's control.

At the beginning of your upkeep, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.

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.

Haste

As this artifact enters, choose a card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

X target creatures can't be blocked this turn. Until end of turn, those creatures gain "Whenever this creature deals combat damage to a player, draw a card."

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
: Return this card from your graveyard to the battlefield with a finality counter on it. Activate only if an opponent has been dealt noncombat damage this turn. (If a creature with a finality counter on it would die, exile it instead.)

Flash
When this creature enters, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent.
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Each player may discard their hand and draw cards equal to the greatest mana value of a commander they own on the battlefield or in the command zone.

Whenever this creature attacks, destroy all other creatures.

When this creature enters, return target creature to its owner's hand.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)