Shield Sphere

Defender
Whenever Shield Sphere blocks, put a -0/-1 counter on it.

Mox Jet

Mana Crypt

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.

Mox Pearl

Mox Ruby

Lotus Petal

{T}, Sacrifice Lotus Petal: Add one mana of any color.

Time Walk

Welding Jar

Sacrifice Welding Jar: Regenerate target artifact.

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Darksteel Juggernaut

Indestructible
Darksteel Juggernaut's power and toughness are each equal to the number of artifacts you control.
Darksteel Juggernaut attacks each combat if able.

Future Sight

Play with the top card of your library revealed.
You may play lands and cast spells from the top of your library.

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.