Higure, the Still Wind [Betrayers of Kamigawa] Urza's Saga {B}: Regenerate Will-o'-the-Wisp

{B}: Regenerate Will-o'-the-Wisp

then draw seven cards

−X: Exile each permanent with mana value X or less that's one or more colors

which can be quite unsettling for their prey

For the chronatog

Higure, the Still Wind [Betrayers of Kamigawa] Urza's Saga {B}: Regenerate Will-o'-the-WispSet: Betrayers of Kamigawa Type: Legendary Creature Human Ninja Rarity: Rare Cost: {3}{U}{U} Ninjutsu {2}{U}{U} ({2}{U}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Higure, the Still Wind deals combat damage to a player, you may search your library for a Ninja card, reveal it, put it into your hand, then shuffle. {2}: Target Ninja creature can't be blocked this