Mana Drain Mana Drain is a definite standout among the best blue cards MTG has ever released simply because its a counterspell that turns defense into an explosive mana advantage on the next turn
If a triggered ability is linked to a second ability, additional instances of that triggered ability are also linked to that second ability
There is a very real cost (as there should be with The One Ring), since at a certain point the burden counters will be taking significant chunks of life from you, but the cards youre drawing along the way should more than offset it
I tried out different numbers and amounts of life loss, but the Sleeper Agent problem was quite real here: it was hard to get this at a rate where it was fun while encouraging you to keep it or give it away in different games
Thought Scour puts a random card into your hand, Opt lets you choose a known card or the mystery box, Sleight of Hand is the same two-card choice with an open mystery box, and Serum Visions lets you keep both or neither of the two cards you see