Super mardi

{T}, Sacrifice this artifact: Choose up to seven face-up exiled cards you own. Exile all the cards from your library, then put the chosen cards on ...

Flying

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.

Flying You can't lose the game and your opponents can't win the game.

{3}, {T}: This artifact deals 1 damage to any target.

You have no maximum hand size.

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.) Equip {2}

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

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

{4}, {T}, Exile this artifact: Exile target creature.

{1}, {T}: Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Whenever a player casts a black spell, you may gain 1 life.

Whenever a player casts a red spell, you may gain 1 life.

{2}, {T}: You gain 5 life. Shuffle this artifact and your graveyard into their owner's library.

Defender (This creature can't attack.) {3}: Until end of turn, this creature loses defender and gains flying.

At the beginning of your upkeep, this artifact deals 2 damage to you. Sacrifice a creature: Target opponent gains control of this artifact.

This creature attacks each combat if able. This creature can't be blocked by Walls.

Whenever a player casts a blue spell, you may gain 1 life.

Flying

Equipped creature gets +2/+0. Equip {1}

Flying You can't lose the game and your opponents can't win the game.

{2}, {T}: Flip a coin. If you win the flip, sacrifice this artifact and draw three cards.

{T}: Put a +1/+1 counter on each artifact creature you control.