墓石の階段
World Enchantment
Cumulative upkeep 
(At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
At the beginning of each upkeep, if this enchantment is on the battlefield, each player creates a 2/2 black Zombie creature token with haste named Tombspawn for each creature card in their graveyard.
At the beginning of each end step and when this enchantment leaves the battlefield, destroy all tokens created with this enchantment. They can't be regenerated.
イラスト：
Mirage#149レア日本語このカードは再録禁止リストに含まれています
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All the tokens are put onto the battlefield simultaneously.
Both the cumulative upkeep and the triggered ability trigger at the beginning of upkeep, so you can choose what order they resolve.
Does not put the Zombies onto the battlefield if this card is not still on the battlefield when its ability resolves.
You control the triggered ability, but each player controls the token creature they put onto the battlefield due to the ability's effect.
If something changes the names of the tokens, then the "at end of turn" ability will still destroy them.
This has the supertype world. When a world permanent enters, any world permanents that were already on the battlefield are put into their owners' graveyards. This is a state-based action called the "world rule." The new world permanent stays on the battlefield. If two world permanents enter at the same time, they're both put into their owners' graveyards.