Flygon ex (94/108) [EX: Power Keepers]Set: EX: Power Keepers Type: Colorless Rarity: Ultra Rare Retreat cost: 0

You may cast any number of spells with mana value X or less from among them without paying their mana costs

Set: Collectors' Edition Type: Artifact Rarity: Uncommon Cost: {3} Basalt Monolith doesn't untap during your untap step

" are blocking or being blocked by the same creature

if you control ten or more Treasures

Set: HeartGold & SoulSilver: Call of Legends Type: Energy Rarity: Common

Set: Vanguard Series Type: Vanguard Rarity: Rare Sacrifice a permanent: Regenerate target creature

Whenever you sacrifice a creature

Set: Sun & Moon: Base Set Type: Psychic Rarity: Promo Retreat cost: Colorless

Etrata's owner shuffles Etrata into their library

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {3}{U}{U} You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost

then put a card from your hand on top of your library

it gains trample and gets +X/+X until end of turn