Whenever you gain life, put a charge counter on Excalibur II.
Equipped creature gets +1/+1 for each charge counter on Excalibur II.
Equip

This spell costs less to cast, where X is the total mana value of historic permanents you control.
Equipped creature gets +10/+0 and has vigilance.
Equip legendary creature

Defender
, : Mill a card.

, Sacrifice a basic land: Target creature gains landwalk of each of the land types of the sacrificed land until end of turn.

Equipped creature has intimidate.
Equip

: Add one mana of any color that a land an opponent controls could produce.

Put two +1/+1 counters on target creature. It gains vigilance until end of turn.

, , Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

Place your experience counters here.

Equipped creature gets +1/+1 and has flying and haste.
Equip

When this artifact enters, exile the top two cards of your library face down.
, : You and target opponent each secretly choose 1, 2, or 3. Then those choices are revealed. If they match, sacrifice this artifact and put all cards exiled with it into their owners' hands. Otherwise, exile the top card of your library face down.

: Add one mana of any color. Put a pressure counter on this artifact.
, , Sacrifice this artifact: It deals 20 damage to target creature. This ability costs less to activate for each pressure counter on this artifact. Activate only as a sorcery.

Each player looks at the top five cards of their library and may reveal a land card and/or an instant or sorcery card from among them. Each player puts the cards they revealed this way into their hand and the rest on the bottom of their library in a random order. Each player gains 3 life.

Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.
Equip

, , Sacrifice this artifact: It deals 2 damage to any target.

When this Spacecraft enters, destroy target noncreature permanent. Then this Spacecraft deals 4 damage to each creature.
Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 5+.)
5+: Flying, trample
10/10