Riptide Entrancer [Onslaught]Set: Onslaught Type: Creature Human Wizard Rarity: Rare Cost: {1}{U}{U} Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect lasts indefinitely.) Morph {U}{U} (You may cast this card face down as a 2 2 creature for {3}. Turn it face up any time for its morph cost.)

and that opponent chooses target creature

Set: Amonkhet Type: Instant Rarity: Mythic Cost: {2}{R} End the turn

Whenever Witch-Maw Nephilim attacks

Set: EX: Unseen Forces Type: Lightning Rarity: Holo Rare Retreat cost: 0

Set: Dragons of Tarkir Type: Creature — Human Warrior Rarity: Rare Cost: {1}{W}{W} Double strike

Set: POP Series 8 Type: Item Rarity: Uncommon

Set: Starter 1999 Type: Sorcery Rarity: Rare Cost: {5}{R}{R} Fire Tempest deals 6 damage to each creature and each player

Set: Black & White: Dark Explorers Type: Fire Rarity: Common Retreat cost: Colorless

Set: Onslaught Type: Enchantment Rarity: Rare Cost: {1}{W} As Shared Triumph enters the battlefield

you may search your library for any number of Spirit cards

Set: Judgment Type: Creature — Angel Rarity: Rare Cost: {5}{W}{W}{W} Flying

Set: Future Sight Type: Creature — Goblin Rigger Rarity: Rare Cost: {3}{R} Other Riggers you control get +1/+0 and have haste