Tetravus [Antiquities] Eldrazi you may add an amount

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

Each opponent's maximum hand size is reduced by seven

Set: Apocalypse Promos Type: Creature — Fungus Beast Rarity: Rare Cost: {4}{B}{G}{U} Trample

Set: Unhinged Type: Instant Rarity: Rare Cost: {B} Choose an artist

If that mana is spent on an instant or sorcery spell

Tetravus [Antiquities] Eldrazi you may add an amountSet: Antiquities Type: Artifact Creature Construct Rarity: Rare Cost: {6} Flying Tetravus enters the battlefield with three +1 +1 counters on it. At the beginning of your upkeep, you may remove any number of +1 +1 counters from Tetravus. If you do, create that many 1 1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted." At the beginning of your upkeep, you may exile any number of tokens created