Ordeal of Erebos
Enchantment — Aura
Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura.
When you sacrifice this Aura, target player discards two cards.
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura.
When you sacrifice this Aura, target player discards two cards.
フォーマット
スタンダード : 不可パイオニア : 可能モダン : 可能レガシー : 可能ヴィンテージ : 可能パウパー : 不可統率者戦 : 可能デジタル専用フォーマット
アルケミー : 不可エクスプローラー : 不可ヒストリック : 不可タイムレス : 不可同名カード
テーロス#99日本語
カード裁定
2013/09/15
原文The +1/+1 counter is put on the creature before blockers are declared and before combat damage is dealt.
2013/09/15
原文The check of whether the enchanted creature has three or more +1/+1 counters on it happens as part of the resolution of the attack triggered ability. If the third +1/+1 counter is put on the enchanted creature any other way, you won't sacrifice the Ordeal until the next time the creature attacks.
2013/09/15
原文If you sacrifice the Ordeal in some other way, its last ability will trigger.
data from gatherer