After: [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On K type, add up to 1 Event from your trash to your hand
Its landfall trigger is nearly identical to how Sythis, Harvest's Hand rewards you for enchantments, but this time youre packing your deck full of effects that let you tutor lands and drop them onto the battlefield
PSA 9 copies generally trade between $150 and $300
Searching the deck database shows 76 Slivers have been printed prior to M14, and if we add the new bumper crop of 14
Its partially because there are better things to be doing in mono-blue (if you want to focus on fast consistent wins, that is), but I do think Cosima can offer a lot, particularly if built around
Also, dont get stingy with your mana base, as stax effects often make things more expensive