スランの武具/Thran Weaponry

Artifact -
Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) <CR>
You may choose not to untap Thran Weaponry during your untap step. <CR>
{2}, {T}: All creatures get +2/+2 as long as Thran Weaponry remains tapped.

Artifact -
Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) <CR>
You may choose not to untap Thran Weaponry during your untap step. <CR>
{2}, {T}: All creatures get +2/+2 for as long as Thran Weaponry remains tapped.

Artifact -
Echo (At the beginning of your next upkeep after this permanent comes under your control, sacrifice it unless you pay its mana cost.) <CR>
You may choose not to untap Thran Weaponry during your untap step. <CR>
{2}, {T}: All creatures get +2/+2 as long as Thran Weaponry remains tapped.

Artifact -
Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) <CR>
You may choose not to untap Thran Weaponry during your untap step. <CR>
{2}, {T}: All creatures get +2/+2 as long as Thran Weaponry remains tapped.