Konahn, Xenotli's Vessel // Xenotli, Primordial Horror
Whenever an opponent casts their second spell each turn, you may cast a spell from your hand without paying its mana cost and as though it had flash.
Whenever an opponent draws their second spell each turn, draw a card.
Whenever a player casts their fourth spell or draws their fourth card each turn, exile Konahn, then return her to the battlefield transformed.
: Whenever an opponent sacrifices a permanent, you may instead gain control of that permanent.
+2: Choose an opponent. Until your next turn, spells you cast and permanents you control gain protection from that player.
-4: Each opponent sacrifices two permanents.
-9: Each player reveals his or her hand. Until end of turn, you may cast spells and play lands from each player's hand. Spells you cast this way cost {0}.