Eternal Masters

Whenever you cast an Elf spell, you may create a 1/1 green Elf Warrior creature token.

T, Discard an Elf card: Target creature gets -X/-X until end of turn, where X is the number of Elves you control.

Creatures you control have haste. Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Then do it again.)

Morbid — When you cast this spell, if a creature died this turn, you may copy Malicious Affliction and may choose a new target for the copy. Destroy target nonblack creature.

When this creature enters, return target creature to its owner's hand.

At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you. T: Add CC.

T: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

T: Draw a card, then discard a card.

Whenever you cast an enchantment spell, you may draw a card.

T, Mill a card: Add C. (Activate only as an instant. To mill a card, put the top card of your library into your graveyard.)

This creature enters with two +1/+1 counters on it. 1, Discard a card: Put a +1/+1 counter on this creature. Remove two +1/+1 counters from this creature: Draw a card.

T: Add C. 1: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. T: Target Assembly-Worker creature gets +1/+1 until end of turn.

Flying

Sacrifice this creature: It deals 1 damage to any target.

Echo 1R (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters or dies, create a 1/1 red Goblin creature token.

When this creature enters, return target enchantment card from your graveyard to your hand.

T: Target creature you control gains protection from the color of your choice until end of turn.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

As an additional cost to cast this spell, sacrifice a green creature. Search your library for a green creature card, put it onto the battlefield, then shuffle.

Destroy target artifact or enchantment. Its controller gains 4 life.

All creatures get -1/-1 until end of turn.

Skip your draw step. Whenever you discard a card, exile that card from your graveyard. Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

First strike When this creature enters, destroy target nonartifact, nonblack creature. That creature can't be regenerated.