Mamemon (Official Tournament Pack Vol.12) (BT11-068) - Dimensional Phase Foil

[On Play][When Digivolving] Reveal the top 5 cards of your deck. You may play 1 Tamer card with a play cost of 4 or less among them without paying the cost. Place the rest at the top or bottom of your deck in any order.

[Your Turn][Once Per Turn] When you play another Digimon by an effect, 1 of your Digimon gains [Blocker] until the end of your opponent's turn.