Enrage — Whenever Siegehorn Ceratops is dealt damage, put two +1/+1 counters on it. (It must survive the damage to get the counters.)
Vigilance Faeburrow Elder gets +1/+1 for each color among permanents you control. T: For each color among permanents you control, add one mana of that color.
Destroy target creature with converted mana cost 3 or less. It can't be regenerated.
When Woe Strider enters the battlefield, create a 0/1 white Goat creature token. Sacrifice another creature: Scry 1. Escape—3BB, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) Woe Strider escapes with two +1/+1 counters on it.
This spell costs 1 less to cast for each Knight you control. Creatures you control get +1/+1. Whenever you cast a legendary spell, create a 2/2 white Knight creature token with vigilance. 3W, T: Create a 2/2 white Knight creature token with vigilance.
When Whirler Virtuoso enters the battlefield, you get EEE (three energy counters). Pay EEE: Create a 1/1 colorless Thopter artifact creature token with flying.
Flying Other Spirit creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)
Defender At the beginning of your upkeep, put a spore counter on Thallid Shell-Dweller. Remove three spore counters from Thallid Shell-Dweller: Create a 1/1 green Saproling creature token.
T: Add C. RW, T: Target creature gets +2/+0 and gains vigilance and haste until end of turn.
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.
For each player, you choose from among permanents that player controls an artifact, a creature, an enchantment, and a planeswalker. Then each player sacrifices all other nonland permanents they control.
Instant and sorcery spells you cast cost 1 less to cast. Whenever you cast an instant or sorcery spell, draw a card.
Flying Whenever this creature attacks, you may sacrifice another creature. If you do, put a +1/+1 counter on this creature. Whenever another nontoken creature dies, draw a card.