Thundering Mightmare [Innistrad: Crimson Vow Commander] Dominaria Remastered As long as Ichor Synthesizer

As long as Ichor Synthesizer has four or more oil counters on it

Each Sliver creature card in your graveyard has encore {X}

Set: Jumpstart 2022 Type: Enchantment — Aura Rarity: Common Cost: {1}{W} Enchant creature

Enchantment spells you cast have affinity for Auras

When there are four or more page counters on Mazemind Tome

Thundering Mightmare [Innistrad: Crimson Vow Commander] Dominaria Remastered As long as Ichor SynthesizerSet: Innistrad: Crimson Vow Commander Type: Creature Horse Spirit Rarity: Rare Cost: {4}{G} Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.) As long as Thundering Mightmare is paired with another creature, each of those creatures has "Whenever an opponent casts a spell, put a +1 +1 counter on this creature."