Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.)
Return up to two target creature cards each with mana value 2 or less from your graveyard to the battlefield. If the gift was promised, instead return up to three target creature cards each with mana value 2 or less from your graveyard to the battlefield.

When this creature enters, draw a card.

Choose one —
• Destroy target attacking creature.
• Airbend target creature you control. (Exile it. While it's exiled, its owner may cast it for rather than its mana cost.)

Trample
Whenever another artifact you control enters, put a +1/+1 counter on this creature.

At the beginning of your end step, if another creature entered the battlefield under your control this turn, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Vigilance
Whenever this creature attacks, you may tap another untapped creature you control. If you do, this creature can't be blocked this turn.

Flash
Enchant creature
When this Aura enters, enchanted creature gains first strike until end of turn.
Enchanted creature gets +2/+0.

, , Pay X life: This creature endures X. Activate only as a sorcery. (Put X +1/+1 counters on it or create an X/X white Spirit creature token.)

Lightning Strike deals 3 damage to any target.

Lifelink
, Sacrifice this creature: Destroy target artifact or enchantment.

This creature can't be blocked by creatures with greater power.
, : Return another target creature you control to its owner's hand. Activate only during your turn.

Flying
When this creature enters, draw a card, then you may put a land card from your hand onto the battlefield tapped.

Counter target spell.
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Choose one —
• Iroh's Demonstration deals 1 damage to each creature your opponents control.
• Iroh's Demonstration deals 4 damage to target creature.

Reach, trample
When this creature enters, attach target Equipment you control to up to one target creature you control.

Thranduil has all activated abilities of all Elf cards in your graveyard.
Whenever another legendary Elf you control enters, draw two cards, then discard a card.

Search your library for a Mountain card, reveal it, put it into your hand, then shuffle. Create a 2/2 green Bird creature token with "Whenever a land you control enters, this token gets +1/+0 until end of turn."
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When this creature enters, create a 1/1 white and black Inkling creature token with flying.