From Wikimon
Spirit of Steel H
Activation Timing: Evolution Phase
◎When there are no cards in your support box and slots 2 and 3, send this card face-down from your hand to your support box.
◎Cannot receive the effects of being 'invalidated' or 'sent to the Dark Area'; cannot receive the effects of 'Infinity Tower'.
Category: Spirit: Human Spirit (1 card max on your sheet)
Effects: ◎You can make a Digimon that has fulfilled its 'Spirit Evolution' appearance requirements appear in your Digimon box. You can add 'During battle, when the opponent's attack power is 700 and above, your attack power will become the same as the opponent's regardless of the attack power modifications on both sides due to effects/abilities' to the abilities field of the Digimon that appeared. Also, if your opponent has 'Spirit of Fire H' in their support box, double your attack power. (Excluding this card, you cannot place any other cards in your support box during appearance. When you win the battle, your opponent takes the lost points of an Ultimate.)
発動タイミング: 進化フェイズ
カテゴリー スピリット・ヒューマンスピリット(自分シートに最大1枚)
[効果]: ◎自分のデジモンボックスに、出現条件を満たした「スピリット進化」デジモンを出現させる。出現したデジモンは能力欄に「バトル中、相手の攻撃力が700以上の時、双方の効果・能力による修正等に関わらず、必ず相手と同じ攻撃力になる」が追加される。また相手援護ボックスに「炎のスピリットH」がある時、自分の攻撃力が2倍になる(出現中はこのカードを除き、自分援護ボックスとスロット2・3にカードを置けない。バトルに勝つと相手はロストポイント「究」になる)