背中を追いかけて ティアット is a Weiß Schwarz card from 角川スニーカー文庫 Vol.2 Ssk/W123-042. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 If you have 4 or more 《Sneaker Bunko》 characters, this gets -1 Level in hand. 【AUTO】 When this is placed on stage from hand, this turn, this gets +4500 power and the following ability, "【AUTO】 At the end of the turn, send this to Waiting Room." 【AUTO】 When this attacks, if the Level of the character across from this is 3 or higher, this turn, this gets +6000 power.
This card was printed in Japanese only; the English text above is an unofficial community translation.