Whenever another creature dies, you may put a +1/+1 counter on Deathbringer Thoctar.Remove a +1/+1 counter from Deathbringer Thoctar: It deals 1 damage to any target.
Whenever a creature you control dies, you may pay . If you do, reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest into your graveyard.
When Myr Battlesphere enters, create four 1/1 colorless Myr artifact creature tokens.Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.
HasteWhenever Thraximundar attacks, defending player sacrifices a creature of their choice.Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.
Flying: Return Eternal Dragon from your graveyard to your hand. Activate only during your upkeep.Plainscycling (, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)
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.