Gristleback [Guildpact] Elemental Rogue you may cast a spell

you may cast a spell with mana value X or less from your hand without paying its mana cost

The newly formed Verdant Order has sworn to defend the last untouched parts of the wilds

I see a fully-stocked seagraf

Set: Ikoria: Lair of Behemoths Type: Creature — Elephant Rarity: Common Cost: {4}{G}{G} When Honey Mammoth enters the battlefield

Set: Mystery Booster Type: Sorcery Rarity: Common Cost: {4}{U} Affinity for artifacts (This spell costs {1} less to cast for each artifact you control

Gristleback [Guildpact] Elemental Rogue you may cast a spellSet: Guildpact Type: Creature Boar Beast Rarity: Uncommon Cost: {2}{G} Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1 +1 counter on it.) Sacrifice Gristleback: You gain life equal to Gristleback's power. Loyal in battle, hearty in stew.