Eosmon - BT17-075 (BT17-075) - Secret Crisis

[[Digivolve] Lv.4 [Eosmon]: Cost 3]
[On Play] When Digivolving Your opponent may play 1 Tamer card from their hand without paying the cost. If this effect didn't play, you may play 1 white Tamer card with a play cost of 4 or less from your hand without paying the cost. Then, [De-Digivolve 1] 1 of your opponent's Digimon for every 2 Tamers.

[Opponent's Turn] [Once Per Turn] When an opponent's Digimon attacks, you may switch the target of attack to 1 of your [Eosmon].