Tetzimoc, Primal Death (Promo Pack) [Rivals of Ixalan Promos] Nemesis Promos They phase in before that

They phase in before that player untaps during their next untap step

and this card's maximum number of attacks this turn is equal to the number of Tuner monsters revealed

Set: Amonkhet Type: Enchantment Rarity: Mythic Cost: {2}{U} At the beginning of your upkeep

Set: Legendary Collection 4: Joey's World Card type: Normal Monster Rarity: Rare Attack: 2400 Defense: 2150 Only the master of the sword among the Fiend-Type monsters is permitted to hold the Talwar

Isleback Spawn gets +4/+8 as long as a library has twenty or fewer cards in it

Tetzimoc, Primal Death (Promo Pack) [Rivals of Ixalan Promos] Nemesis Promos They phase in before thatSet: Rivals of Ixalan Promos Type: Legendary Creature Elder Dinosaur Rarity: Rare Cost: {4}{B}{B} Deathtouch {B}, Reveal Tetzimoc, Primal Death from your hand: Put a prey counter on target creature. Activate only during your turn. When Tetzimoc enters the battlefield, destroy each creature your opponents control with a prey counter on it.