
Artifact
: Add one mana of any color in your commander's color identity.
Sacrifice this artifact: Draw a card.

3-cost mana rock that can sac for a card later, identical role.

Mana rock that sacrifices for cards, similar ramp-into-draw flexibility.

Cheaper rock tapping for any commander color, top upgrade.

Two-mana any-color rock, faster ramp substitute.

Fixes all colors and ramps, upgrade for multicolor decks.

Flexible any-color rock with ramp acceleration.

Cheap ramp that draws-like by fetching land, similar value.

Card-draw engine pairing well with sacrificeable artifacts.
→ Infinite blinking, Infinite creature tokens, Infinite ETB
→ Infinite blinking, Infinite creature tokens, Infinite ETB
→ Infinite storm count, Infinite card draw, Infinite blue mana
→ Infinite damage, Infinite lifegain, Infinite lifegain triggers
→ Infinite card draw, Infinite draw triggers, Near-infinite death triggers
→ Infinite lifeloss