Tainted Aether [Urza's Saga]Set: Urza's Saga Type: Enchantment Rarity: Rare Cost: {2}{B}{B} Whenever a creature enters the battlefield, its controller sacrifices a creature or land. Gix despised the sylvan morass. The gouge that the portal had torn in the forest was the only pleasing sight.

This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four

there you will find aid and comfort

1 Rise from the Grave

At the beginning of each end step

• 1 Melek

Set: Shadows over Innistrad Tokens Type: Token Creature — Human Cleric Rarity: Common

• 1 Fallen Ideal

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{B} Destroy target nonartifact

Riku of Two Reflections gives you twice the fun as you confound and dazzle your foes into oblivion with a barrage of Riku's mirrored magic

• 1 Fiendslayer Paladin

Set: Shadowmoor Type: Legendary Creature — Merfolk Rogue Rarity: Rare Cost: {U/B}{U/B} At the beginning of each end step

Set: Ixalan Prerelease Promos Type: Creature — Dinosaur Avatar Rarity: Mythic Cost: {5}{W}{W}{W} When Wakening Sun's Avatar enters the battlefield