T: Add C. 2, T: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake
Copy target creature spell you control, except it isn't legendary if the spell is legendary. (A copy of a creature spell becomes a token.)
Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.
Return target nonlegendary creature card from your graveyard to the battlefield with a -1/-1 counter on it.
When Titania, Protector of Argoth enters, return target land card from your graveyard to the battlefield. Whenever a land you control is put into a graveyard from the battlefield, create a 5/3 green Elemental creature token.
Flash Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, draw a card.
Whenever Marit Lage’s Slumber or another snow permanent you control enters, scry 1. At the beginning of your upkeep, if you control ten or more snow permanents, sacrifice Marit Lage’s Slumber. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.
Deathtouch Revolt — Narnam Renegade enters the battlefield with a +1/+1 counter on it if a permanent you controlled left the battlefield this turn.
As an addition cost to cast Nahiri's Wrath, discard X cards. Nahiri's Wrath deals damage equal to the total converted mana cost of the discarded cards to each of up to X target creatures and/or planeswalkers.
Flash Flying You may cast historic spells as though they had flash. (Artifacts, legendaries, and Sagas are historic.)
Enrage — Whenever Siegehorn Ceratops is dealt damage, put two +1/+1 counters on it. (It must survive the damage to get the counters.)
Rivendell enters the battlefield tapped unless you control a legendary creature. T: Add U. 1U, T: Scry 2. Activate only if you control a legendary creature.
Creatures you control get +10/+10 and gain vigilance until end of turn.
Instant and sorcery spells you cast cost 1 less to cast. Whenever you cast an instant or sorcery spell, draw a card.