Esper Sentinel [Modern Horizons 2 Prerelease Promos]Set: Modern Horizons 2 Prerelease Promos Type: Artifact Creature Human Soldier Rarity: Rare Cost: {W} Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power. The more Esper changes, the more he refuses to.

Whenever another Elf enters the battlefield under your control

Set: EX: Sandstorm Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Media Promos Type: Artifact Creature — Juggernaut Rarity: Rare Cost: {5} Indestructible

but it explains much

Set: Pro Tour Promos Type: Legendary Planeswalker — Liliana Rarity: Mythic Cost: {4}{B}{B} Whenever a creature you control dies

then draw that many cards

put Lotus Vale onto the battlefield

dungeon warden

Set: Oversize Cards Rarity: Rare During your upkeep

Set: Arabian Nights Type: Creature — Human Rarity: Uncommon Cost: {W} When Abu Ja'far dies

Set: Sun & Moon: Guardians Rising Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

Set: XY: Ancient Origins Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless