Trinisphere [Secret Lair Drop Series] Aura put a +1/+1 counter on

put a +1/+1 counter on Korvold and draw a card

Reithwin Tollhouse

creatures can't attack you or planeswalkers you control unless their controller pays 1 for each of those creatures

Voracious Larva or another creature enters the battlefield under your control

Set: Outlaws of Thunder Junction Prerelease Promos Type: Creature — Hydra Rarity: Mythic Cost: {X}{G} Vigilance

Trinisphere [Secret Lair Drop Series] Aura put a +1/+1 counter onSet: Secret Lair Drop Series Type: Artifact Rarity: Mythic Cost: {3} As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)