( can be paid with either or 2 life.)LifelinkFor each in a cost, you may pay 2 life rather than pay that mana.Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth.
Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.)Reach, trampleNyxborn Hydra enters with X +1/+1 counters on it.Enchanted creature gets +1/+1 for each +1/+1 counter on Nyxborn Hydra and has reach and trample.
Whenever another nontoken creature you control enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Affinity for artifacts (This spell costs less to cast for each artifact you control.)When Imskir Iron-Eater enters, you draw X cards and you lose X life, where X is half the number of artifacts you control, rounded down., Sacrifice an artifact: Imskir deals damage equal to the sacrificed artifact's mana value to any target.
LifelinkEnchantment spells you cast have affinity for Auras. (They cost less to cast for each Aura you control.)Whenever you cast an Aura spell that targets a modified permanent you control, draw a card. (Equipment, Auras you control, and counters are modifications.)
If a triggered ability of a colorless spell you control or another colorless permanent you control triggers, that ability triggers an additional time.Whenever you cast a colorless spell, copy it. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)
You may sacrifice a nontoken green creature rather than pay this spell's mana cost.Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
You may sacrifice a nontoken green creature rather than pay this spell's mana cost.Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
When Chthonian Nightmare enters, you get (three energy counters).Pay X , Sacrifice a creature, Return Chthonian Nightmare to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.