Well, lets do some basic math here
For example, the Legendary Planeswalker card Ugin, the Ineffable shown here in a Titan Shield Premium Sleeve (as found on Retro Dodos Magic: The Gathering Accessories and best Magic: The Gathering Sleeves articles) would be entered on the list as follows: 1 Ugin, the Ineffable The cards Ahn-Crop Invader , Rals Outburst and Dovin, Hand of Control would be entered as follows: 1 Ahn-Crop Invader 1 Rals Outburst 1 Dovin, Hand of Control If youre not entering a custom card list from your own physical deck and are instead looking to copy an online deck list, you should be able to easily track down a list which is formatted in exactly the correct way for it to be imported into Magic: The Gathering Arena
Find an image of the card artwork that you want to use
It can weaken the opposing team before giving way to a faster Pokmon
No, mana abilities cannot be stifled or countered
The main idea is to cast as many Aura enchantments as possible , either to buff your creatures or to debuff your opponents