Hangarback Walker enters with X +1/+1 counters on it.When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker., : Put a +1/+1 counter on Hangarback Walker.
Whenever a Dragon you control enters, put a gold counter on Dragon's Hoard., Remove a gold counter from Dragon's Hoard: Draw a card.: Add one mana of any color.
Enchant creatureWhen Sage's Reverie enters, draw a card for each Aura you control that's attached to a creature.Enchanted creature gets +1/+1 for each Aura you control that's attached to a creature.
+1: Create a 2/2 black Zombie creature token. Mill two cards.−3: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types.−7: Destroy all non-Zombie creatures.
Lifelink, Sacrifice Alseid of Life's Bounty: Target creature or enchantment you control gains protection from the color of your choice until end of turn.
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.
Other Goblin creatures you control attack each combat if able.At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste.Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin.
Svyelun of Sea and Sky has indestructible as long as you control at least two other Merfolk.Whenever Svyelun attacks, draw a card.Other Merfolk you control have ward . (Whenever another Merfolk you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Changeling (This card is every creature type.): Target creature gains all creature types until end of turn.: Target creature loses all creature types until end of turn.
Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.: Each player mills a card. (They each put the top card of their library into their graveyard.)