round corner card sleeves CURV - STANDARD 100 Tabbed Card Sleeves Morishita Clear Round/Sharp Corner Trading

This allows you to get out huge creatures at exactly the right time, or leverage enter the battlefield abilities to best effect

Machina Fortress can summon itself by discarding Machine monsters, and even if its destroyed by battle, the player can still destroy a card controlled by the opponent

Though Colorless could technically be seen to be a Basic Energy and it is, after all, a Pokemon type in and of itself (representing the video games Normal, Flying and Dragon type Pokemon) there are only Special Colorless Energy cards, not Basic

Even for the full four mana cost, this is a very solid card

All materials made from archival-safe, acid-free non-PVC material

You can discard this card, then target 1 "Nekroz" card in your GY, except "Nekroz of Unicore"