Many a besieged city has surrendered upon hearing the distinctive rumble of the juggernaut.

包囲された都市が、巨大戦車の発する特有の轟音を聞くなり降伏を申し出た事例は数知れず。

巨大戦車

各戦闘で、巨大戦車は可能なら攻撃する。
巨大戦車は壁によってはブロックされない。

许多被围攻的城市一听到攻城巨车那独特的轰鸣声便缴械投降。

攻城巨车

攻城巨车每次战斗若能攻击，则必须攻击。
攻城巨车不能被墙阻挡。

Juggernaut

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

"Urza's machines have a splendid habit of excavating themselves."
—Rona, disciple of Gix

Dominaria Remastered

Jumpstart 2022

We had taken refuge in a small cave, thinking the entrance was too narrow for it to follow. To our horror, its gigantic head smashed into the mountainside, ripping itself a new entrance.

30th Anniversary Edition

If Juggernaut can't attack for any reason (such as being tapped or having come under your control that turn), then it doesn't attack. If there's a cost associated with having it attack, you're not forced to pay that cost, so it doesn't have to attack in that case either.