Eternal Masters

Destroy target non-Elf creature.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Haste When this creature enters, target creature can't block this turn.

Firebolt deals 2 damage to any target. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Prevent all combat damage that would be dealt this turn.

Enchant creature Prevent all combat damage that would be dealt to and dealt by enchanted creature.

This creature gets +0/+3 as long as it's untapped.

Defender (This creature can't attack.)

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

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Each player sacrifices a creature of their choice.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {G}.

Vanishing 2 (This creature enters with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is re...

This creature gets +1/+2 as long as you control a Forest.

When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

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

{T}: Add {G}.

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

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.

Flying

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

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

Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

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