Welding Jar

Sacrifice Welding Jar: Regenerate target artifact.

Lotus Petal

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

Mox Emerald

Mox Ruby

Shield Sphere

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

Timetwister

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

Mox Jet

Ancestral Recall

Mox Sapphire

Future Sight

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

Time Walk

Black Lotus

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

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.

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}.