one piece card game shanks secret rare (OP01-120) (Reprint) - Premium Booster -The Best- Placeholder Image Provided Shanks [Alternate Art] OP06-007 -

Every time Raph & Leo attack, they untap one or two attackers and trigger an additional combat phase if this is the first combat phase of the turn

Namor the Sub-Mariner Namor the Sub-Mariner is pretty niche since its text works in exactly mono-blue merfolk decks ( maybe mono-blue more generally) but that niche gives it lots of power

Able to sow the seeds of chaos and turn the tide of battle, Goad is undeniably a powerful ability

Short but sweet

Legality depends on the tournament format -- Blink of an Eye can be legal in some formats and banned or restricted in others

I took that one out, but it still has most of the most ridiculous ramp and haste enablers I can cram in there